which of the following statements about histograms are true?

You can recreate the original data set from it. OID Do you agree with me that Sal's pie drawings are great? 1 only 1 only X Histograms of categorical variables can pinpoint clusters and gaps. So you create buckets of 30 you say how many pies have between 0 and 29 cherries? Compare the two histograms below. (3) Bars are always touching. A bar chart shows categories, not numbers, with bars indicating the amount of each category. $1.000 3. patient/part motion 93 Direct link to Saivishnu Tulugu's post Great question! The bars are drawn adjacent to each other because the data is continuous. Y So using this histogram we can answer really interest question, which would say how many more pies do we have that have 60-89 cherries than 120 to 149 cherries? Which of the following statements is true? b. E. Assume that 51,000 shares were originally issued and 4.100 w ANSWER: Which of the following is the most appropriate type of chart for determining the number of observations at or below a specific value? F1+F2+F3++FN=FN+21F _ { 1 } + F _ { 2 } + F _ { 3 } + \cdots + F _ { N } = F _ { \mathrm { N } + 2 } - 1 Then use Newton's method to find the root correct to six decimal places. A population of bacteria is introduced into a culture. 3.3-3.5 how many pies have at least 60 at most 89 cherries? O I only O Il only O III only O I and III only 8. c- The classes in a histogram cover the complete range of Direct link to Kblast79's post What Sal is doing is that, Posted 6 years ago. 1 and 2 only So basically on a histogram, it's a way to graph ranges of data. A histogram is made of a series of intervals, called classes. Pie charts can only be used for nominal data. Stem Direct link to Vladimir Ermakov's post Yes, and it really depend, Posted 5 years ago. Direct link to Elaina163's post what it means is the numb. Math. B. Stemplots are equally useful for small and very large data sets. D) A histogram has gaps between the bars. C. 2 and 3 only I only Il only 111 only 1 and 11 None of the above gives the complete set of true responses. 3. it increases grid cutoff And you are going to do it for every pie. A. Direct link to jaiythor5263's post can histograms be used wi, Posted 4 years ago. Which of the following pathologic conditions probably require a decrease in exposure factors? C. Stemplots can show symmetry, gaps, clusters, and outliers. d. All of these choices are true. So there are 20 pies in this store. Mrs. Hamilton worked for a real estate agency. Histogram is an equivalent graphical representation of the frequency distribution. B. The distribution must have an outlier. (2) Bar must appear in numerical order. Which of the following statements about histograms is/are true? Today your going to read about Mesoamrica and first read the passage and then answer. Which statement is true? The statements that must be true about the data sets A and B displayed in the histogram are; The mean of dataset A is equal to the mean of dataset B, The median of data set A is equal to the median value of dataset B, The range of dataset A is equal to the range. Its shape resembles a histogram turned on its side. A chart in which vertical bars represent data in different categories. Group 1 As such, it does not represent categorical data. what you do is you take each pie in your store, (See I can draw a pie in some kind) it's a cherry pie, I don't know if this is adequate of drawing of a pie. Mean or Arithmetic Mean, A: Introduction: Consider the following statements in respect of histogram: 1. 0ln2xexdx. (B) (D) (E) All symmetric histograms have single peaks. Which of the following statements about histograms is For example, if a teacher's histogram of exam scores shows a skew, or a pronounced lean, to the left, it might indicate that most students struggled with the test. a. He works 9 hours each day. b. A contingency table lists the counts of each combination of the values of the two variables. Frequency Statistics and Probability questions and answers. Which of the following are TRUE statements? Which of the following statements must be true about the data sets A and B displayed in the histograms above? 6 79 a. Diagnostic x-rays are generally associated with, A screen-film image exhibiting insufficient density might be attributed to, Decreasing field size from 14 x 17 in to 8 x 10 in, with no other changes, will, Which of the following devices is used to overcome severe variation in patient anatomy or tissue density, providing more uniform receptor exposure? d. All of these choices are true. Can histograms be made sideways? What values are displayed on a cumulative relative frequency distribution? A histogram is used to represent quantitative data so both the x and y axes have numbers. Direct link to Addy's post Who is going to go throug, Posted 2 months ago. 2. patient dose F) The heights of the bars. 55.100 Which of the following statements about pie charts is false? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. A histogram is a summary of interval data. Set A is much more spread out than set B, and so set A has the greater variance. Let's see. Direct link to Vasu Dalal's post Can histograms be made si, Posted 5 years ago. 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There are many, A: The normal distribution in the center is generally denser and basically less dense at the tails., A: Since you have asked multiple questions, we will solve the first question for you. Direct link to kayce's post i still don't under stand, Posted a year ago. *AP & Advanced Placement Program are registered trademarks of the College Board, which was not involved in the production of, and does not endorse this site. 12 All Symmetric histograms have single peak. Which of the following statements is false? Which of the following best describes a bar chart? F) The heights of the bars represent class frequencies. and you've noticed that there is variability in the number of cherries on each pie that you sell. Expert Answer. Kwame Lucas delivers bread for City Bakery Company. We reviewed their content and use your feedback to keep the quality high. A histogram is a summary of interval data. O Histograms are more widely used than stemplots or dotplots because histograms display the values of individual observation. Suppose P(A) = 0.25. Which of the following statements about histograms is false? when the graph shows that the number of pies and the number of cherries, 0-29, 30-59 does 30-59 means that that eight pies have 30-59, or it has 19, because 59-30=19. Which of the following statements are true? A. Learn how to read and interpret histograms, which summarize data by sorting it into buckets. Use your browser's back button to return to your test results. B) Histograms are used to display discrete numerical data. A histogram generally has no gaps between rectangles, because it is a graphical display of a numerical variable and the horizontal axis follows a number scale. What is two thousand four hundred divided by fifty nine, 1. A: We want to tell you which one is the correct choice. The weighted average of the possible values that a random variable X can assume, where the weights are the probabilities of occurrence of those values, is referred to as the: The lottery commission has designed a new instant lottery game. Statistics and Probability questions and answers, 8) Which of the following statements about histograms are true? C) The heights of the bars represent class frequencies. c. A bar chart may be used as a graphical display of a contingency table. If P(A) = 0.20, P(B) = 0.30 and P(A B) = 0.00, then A and B are: Which of the following is a requirement of the probabilities assigned to the outcomes Oi? Statistics and Probability questions and answers. If you, A: 2. The empirical rule applies only to set A. Which of the following is true? A time study showed the following figures. 3. density For males: , The charter of a corporation provides for the issuance of 110,000 shares of common stock. A single number that seeks to represent a set of data by, A: Mean is the average value of the observations and median is the middle most value of the, A: Given information: On the other hand, a bar graph is used to represent categorical (qualitative) data. If the radiographer is unable to achieve a short OID because of the structure of the body part or patient condition, which of the following adjustments can be made to minimize magnification distortion? Ob. Direct link to satyasarathi05's post what is the difference be, Posted 5 years ago. 67 Select the data and. Where data is divided into stem and, A: The given stem-and-leaf plot is A histogram titled Science Grades has grades on the x-axis and number of students on the y-axis. 71 classes. Three of the following statements are true about the statistics from the two data sets. A contingency table is used to describe two nominal variables. Direct link to Jordan214's post what is the difference be, Posted 3 years ago. g(x)=x2+3x+2g(x)=x^{2}+3|x+2|g(x)=x2+3x+2. Histograms can be used with any numbers, it just matters how you label them differently, what is the difference between a histogram and a bar graph. The center of histogram A is lower than the center of histogram B. If A and B are independent events, with P(A) = 0.50 and P(B) = 0.70, then the probability that A occurs or B occurs or both occur is: The collection of all possible outcomes of an experiment is called: Two events A and B are said to mutually exclusive if: If A and B are mutually exclusive events with P(A) = 0.80, then P(B): A useful graphical method of constructing the sample space for an experiment is: The expected number of heads in 90 tosses of an unbiased coin is: The expected value, E(X), of a binomial probability distribution is: Given that X is a binomial random variable, the binomial probability P(X x) is approximated by the area under a normal curve to the right of: The standard deviation of a binomial distribution for which n = 100 and p = .35 is: Which of the following best describes a discrete random variable? If you want any, A: Note: Which of the following is a graphical technique used to present nominal (categorical) data? A: Mean a. Thus, the standard deviation for set B must be greater than 5. a. Yes, and it really depends on the data you want to present and how you want to present it. 2 students received a score of 50 to 59; 5 students received a score of 60 to 69; 8 students received a score of 70 to 79; 5 students received a score of 80 to 89; 2 students received a score of 90 to 100. SID b- A histogram is made of a series of intervals, called C. The distribution is approximately normal. 2. Thank you for the question. Which of the following statements about histograms is true? Which of the following is a true statement? 8+4=12,plus 3 is 15 which is five less than 20. c- The classes in a histogram cover the complete range of If 19 percent of the whistles were rejected. A histogram is made of a series of intervals, called classes. b. Fraternity Which of the statements given above is/are . The x will typically have a range of values while they will have a frequency. The shape of histogram A is the same as the shape of histogram B. A. All Symmetric bell-shaped curves are normal III. I. Which of the following is the sum of the relative frequencies for all classes? The proportion of observations that fall below each class interval. O Two students working with the same set of data may come up with histograms that look different. B. Stemplots are equally useful for small and very large data sets. Data Set A has a smaller spread than Data Set B. Which of the following statements is true about a distribution that appears to have a gap when displayed as a histogram? 1. it produces fog 9 D The relative frequency of a class in a histogram is computed by a. false? Histograms are used to display qualitative, categorical data. c- The classes in a histogram cover the complete range of observations d- All of these choices are true. A histogram represents a continuous variable distribution. A: As per our guidelines, we are supposed to answer the only questions. 9, A: We know that, there are following measures of Central tendency are: The mean of set A looks to be greater than the mean of set B. C. The mean of set B looks to be greater than the mean of set A. D. Both sets have roughly the same variance. D. 100 mA, 0.12 second, spatial resolution/detail can be improved by decreasing Among 500 members, 8% of the sampled members have spent, A: The given grouped data is Which of the following is a true statement? Some pies might have over 100 cherries, while other pies might have fewer than 50 cherries. (C) Stemplots are not used for categorical data sets, are too unwieldy to be used for very large data sets, and show every individual value. Which of the following describes the shape of the histogram below? Both dotplots and stemplots can show symmetry, gaps, clusters, and outliers II. I. Experts are tested by Chegg as specialists in their subject area. The median values for dataset A and dataset B are both in the median range of 30 and 40, therefore; Another obvious information that can be seen and which must be true is the range; The range is the difference between the largest number and the smallest number; The range of the histogram of data set A = 60 - 10 = 50, The range of the histogram of data set B = 60 - 10 = 50, This site is using cookies under cookie policy . 2 only How much The spread of histogram A is the same as the spread of histogram B. You take each pie in your store, and you count the number of cherries on it. 86 60 A sample of. B. Direct link to Emma Friedman's post Histograms can be used wi, Posted 5 years ago. observations, We know that Histogram is an another way to display the Which of the following statements about histograms is/are true? c. Which of the following statements about shapes of histograms is true? All of these choices are true. The mean of set A looks to be greater than the mean of set B. C. The mean of set B looks to be greater than the mean of set A. D. Both sets have roughly the same variance. 69 Which of the following statements about the two histograms above is true? Your answer: O Two students working with the same set of data may come up with histograms that look different. Each bar typically covers a range of numeric values called a bin or class; a bar's height indicates the frequency of data points with a value within the corresponding bin. C. 2 and 3 only When income increases, expenditure on imports tend to increase. A. In histograms, relative areas correspond to relative frequencies. while y will have a frequency. 2 only In histograms, frequencies can be determined from relative heights I and II Which of the following are true statements? classes. D. What does the length of each line of a stem-and-leaf display represent? 2.7-2.9 *AP & Advanced Placement Program are registered trademarks of the College Board, which was not involved in the production of, and does not endorse this site. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. We have to find which of the two groups of participants seemed to, A: The two different kinds of shapes are possible for distribution in histogram are: Direct link to Learner's post So basically on a histogr, Posted 3 years ago. So, the height of the bars determine how many we're working with then? 9 A) A histogram has gaps between the bars. Which of the following statements about histograms is true? a. The bars of a histogram should be equal width to accurately display the data. A modal class in a histogram is the class that includes, The sum of the relative frequencies for all classes in a histogram always equals. A histogram may be used as a graphical display of categorical data. We can calculate All content of site and practice tests copyright 2017 Max. Which of the following statements about the two histograms above is true? b. Which of the following statements about histograms is false? These histograms have the same dass boundaries and dass widths. A histogram is used to display qualitative data. d. All of these choices are true. Which of the following best describes the modal class? c. The classes in a histogram cover the complete range of observations. All symmetric bell-shaped curves are normal. The empirical rule applies only to set A. II. d- All of these choices are true. Because you don't want to create just a graph I'm not having exactly 32. I. Statistics and Probability questions and answers. c. It provides an organized way to depict interval data. b. B. 200 mA, 0.06 second II. Which of the following is not an approach to assigning probabilities? Which of the following best describes this relationship? G) Histograms are used to display qualitative, categorical data. Which of the following are TRUE statements? A histogram illustrates pixel value distribution 2. there is a default histogram for each/different body parts 3. a histogram is representative of the image grayscale A. The probability of complement of A is: An approach of assigning probabilities that assumes that all outcomes of the experiment are equally likely is referred to as the: If you roll a fair (unbiased) die 60 times, you should expect an odd number to appear: If a coin is tossed three times, and a statistician predicts that the probability of obtaining three heads in a row is 0.125, which of the following assumptions is irrelevant to his prediction? D. 1, 2, and 3, The function(s) of the developer in film processing is (are) to The five numbers used to create a box-and-whisker plot are: Min: 10 10 Q1 Q 1: 15 15 Med: 95 95 Q3 Q 3: 490 490 Max: 790 790 The following graph shows the box-and-whisker plot. If one particular bar has no data in it, there may be gaps in the histogram. One of them is false. So the first question is: based on just this information can you figure out the total number of pies in your store? Ya thats true *had t, Posted 5 years ago. O istograms are more widely used than stemplots or dotplots because histograms display the values of individual observation. can histograms be used with any set of numbers/data ? D. 1, 2, and 3, Which of the following groups of exposure factors would be most appropriate to control involuntary motion? The first quartile can be. O Unlike other graphs, histogram axes do not need to be labeled. 26 B. I. , ere subsequently reacquired. What percent of the day does Lucas spend loading, driving, and delivering? A histogram shows bars representing numerical values by range of value. a- A histogram is a summary of interval data. Which of the following statements about histograms are true? Histograms of categorical variables can pinpoint clusters and gaps. Class a. E) Histograms are used to display qualitative, categorical data. A contingency table may also be called a cross classification table Academic Club shows shape of distribution shows location of center shows the spread of data The class with the largest number of observations. ____ 5. What Sal is doing is that he making a histogram, histograms are made and are interpreted just as bar graphs, but can have different labels.If this dose'nt help then try. The given chart, A: General guidance A histogram is said to be symmetric if, when we draw a vertical line down the center of the histogram, the two sides are identical in shape and size. A histogr, Posted 2 months ago. b. Which of the following is true about a stem-and-leaf display? Direct link to kathyzhang0001's post when the graph shows that, Posted 2 years ago. All calculations are permitted on nominal (categorical) data. Question: Shapes of Distributions - Variation: The histograms below depict the frequencies from two data sets. Athletics Question number 2 why do you think maize was so important to these civilizations. you know that you don't have any pie that have more than 149 cherries so this should account for everything. Both sets are roughly symmetric around 150 and so both should have means about 150. Which of the following statements about histograms is true? The minimum test score is 17, and maximum test score is 26. The cube: 0xa,0ya,0za0 \leq x \leq a, \quad 0 \leq y \leq a, \quad 0 \leq z \leq a0xa,0ya,0za. An increase in the kVp applied to the x-ray tube increases the. 400 mA, 0.03 second The reasons the above options are correct are as follows: (15*8 + 25*2 + 35*1 + 45*2 + 55*8)/(8 + 2 + 1 + 2 + 8) = 35, (15*1 + 25*2 + 35*8 + 45*2 + 55*1)/(1 + 2 + 8 + 2 + 1) = 35, The mean of the two data set appear to be the same. Which of the following are true statements? Histogram example: student's ages, with a bar showing the number of students in each year. 1 and 2 only C. 2 and 3 only D. 1, 2, and 3 C 3.0-3.2 Experts are tested by Chegg as specialists in their subject area. how many pies are between 30 and 59, including 30 and 59? 12 $175,000. Which one is FALSE? D) A histogram has gaps between the bars. commissi Statistics and Probability questions and answers. A bar chart shows categories, not numbers, with bars indicating the amount of each category. quanti. Which of the following best describes the shape of the distribution of incomes of all employees in large company? A histogram represents a continuous variable distribution The statements that must be true about the data sets A and B displayed in the histogram are; The mean of dataset A is equal to the mean of dataset B The median of data set A is equal to the median value of dataset B The range of dataset A is equal to the range B. grid 3 A) A histogram has gaps between the bars. C. There are no outliers. B) Histograms are used to display discrete numerical data. Posted a year ago. Histogram is suitable for continuous random variables, where the total frequency of an interval is evenly distributed over the interval. O Displaying outliers is less problematic when using histograms than when using stemplots. E) Histograms are used to display qualitative, categorical data. Histograms may be skewed or symmetrical depending on the data. Which of the following may be determined from the height of the bar in a relative frequency histogram? Bar chart example: student's favorite color, with a bar showing the various colors. Question number 1 why do you Think historians refer to the area as Mesoamrica. Experts are tested by Chegg as specialists in their subject area. There's five pies there's five pies that have at least 30 cherries but no more than 59. you have eight pies in this blue bucket you have four pies in this green bucket and then you have three pies that have at least 120 but no more than 149 cherries this accounts for all the pies so the total number of pies you have at the store 5 plus 8 plus 4 plus 3 which is what, 5 plus 8 is 13 plus 4,=17, plus 3 is twenty. F1+F2+F3++FN=FN+21. There are 500 members. Hey there! If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Direct link to Ethan Duda's post , Posted 2 years ago. b- A histogram is made of a series of intervals, called classes. A histogram generally has no gaps between rectangles, because it is a graphical display of a numerical variable and the horizontal axis follows a number scale. Statistics and Probability. Great question! A histogram is a chart that plots the distribution of a numeric variable's values as a series of bars. A) A histogram has gaps between the bars. 4, A: (Since it is not mentioned which question so as per our protocol we shall only answer the first, A: From box and whiskers diagram O Unlike other graphs, histogram axes do not need to be labeled. This pie has 1,2,3,4,5 6,7,8,9,10,keep counting Let's say it has 32 cherries. A graphical representation of cumulative relative frequencies. A histogram is a summary of interval data. I've seen some bar graphs with horizontal bars instead of vertical ones. D. 1, 2, and 3, Hemo-Endocrine Study Guide - Makenna, Kelsy,, Charles E. Leiserson, Clifford Stein, Ronald L. Rivest, Thomas H. Cormen, Information Technology Project Management: Providing Measurable Organizational Value, Computer Organization and Design MIPS Edition: The Hardware/Software Interface, Starting Out with C++ from Control Structures to Objects, Godfrey Muganda, Judy Walters, Tony Gaddis. Histograms of categorical variables can pinpoint clusters and gaps. The number of class intervals in a frequency distribution must be the same as the number of observations. C. Stemplots can show symmetry, gaps, clusters, and outliers. C. 600 mA, 0.02 second (E) The empirical rule applies to bell-shaped data like those found in set B, not in set A. Who is going to go through a pie and count the exact amount of cherries in that specific pie? Your answer: A negatively skewed histogram is one with a long tail extending to the left. Minimum, First quartile (Q1), Median,Third quartile, A: Measure of central tendency measures the central or average value of a dataset. D Which of the following statements about histograms is false?

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