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A man surveyed a sample of 36 high school students and asked, "How many days in the past week have you consumed an alcoholic beverage?" The results of the survey are shown to the right. Use these results to answer parts (a) through (f). 1 1 4 1. 1 2 1 1 1 1 2 1 1 1 1 3 2 (a) Is this data discrete or continuous? O Continuous Discrete (b) Draw a histogram of the data and describe its shape. Choose the histogram below that correctly depicts the given data. O A. OB. Oc. OD. Q Q Q 20- 15- 10- 2어 15- 10- 20- 15- 10- 5- 20- 15- 10- 5- 5- 0- 012345 Number of Drinks ó 12 345 Number of Drinks ó 12345 012345 Number of Drinks Number of drinks Describe the shape of the distribution. Choose the correct answer below. O A. The distribution is symmetric. O B. The distribution is skewed left. OC. The distribution is skewed right. (c) Based on the shape of the histogram, do you expect the mean to be more than, equal to, or less than the median? O A. The mean should be roughly equal to the median. O B. The mean should be substantially larger than the median. Oc. The mean should be substantially smaller than the median.

A man surveyed a sample of 36 high school students and asked, "How many days in the past week have you consumed an alcoholic beverage?" The results of the survey are shown to the right. Use these results to answer parts (a) through (f). 1 1 4 1. 1 2 1 1 1 1 2 1 1 1 1 3 2 (a) Is this data discrete or continuous? O Continuous Discrete (b) Draw a histogram of the data and describe its shape. Choose the histogram below that correctly depicts the given data. O A. OB. Oc. OD. Q Q Q 20- 15- 10- 2어 15- 10- 20- 15- 10- 5- 20- 15- 10- 5- 5- 0- 012345 Number of Drinks ó 12 345 Number of Drinks ó 12345 012345 Number of Drinks Number of drinks Describe the shape of the distribution. Choose the correct answer below. O A. The distribution is symmetric. O B. The distribution is skewed left. OC. The distribution is skewed right. (c) Based on the shape of the histogram, do you expect the mean to be more than, equal to, or less than the median? O A. The mean should be roughly equal to the median. O B. The mean should be substantially larger than the median. Oc. The mean should be substantially smaller than the median.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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What do the computed mean and median tell you? Fill in the blanks below. (Use a 25% difference as the criterion for a "substantial" difference between the mean and median.) The prediction was because the mean the median in this distribution. (e) Determine the mode. The mode is (Type an integer or decimal rounded to two decimal places as needed.) (f) Do you believe that the survey suffers from bias? If so, what type and why? O A. Yes, the survey suffers from sampling bias because the number of male and female students surveyed was the same. B. No, the survey does not suffer from bias because it was administered randomly and the question asked is in balanced form. O C. Yes, the survey suffers from response bias because it would be difficult to achieve truthful responses to this type of question unless the identity of the respondents is anonymous. O D. Yes, the survey suffers from sampling bias because the number of male and female students surveyed was not the same.
Transcribed Image Text:What do the computed mean and median tell you? Fill in the blanks below. (Use a 25% difference as the criterion for a "substantial" difference between the mean and median.) The prediction was because the mean the median in this distribution. (e) Determine the mode. The mode is (Type an integer or decimal rounded to two decimal places as needed.) (f) Do you believe that the survey suffers from bias? If so, what type and why? O A. Yes, the survey suffers from sampling bias because the number of male and female students surveyed was the same. B. No, the survey does not suffer from bias because it was administered randomly and the question asked is in balanced form. O C. Yes, the survey suffers from response bias because it would be difficult to achieve truthful responses to this type of question unless the identity of the respondents is anonymous. O D. Yes, the survey suffers from sampling bias because the number of male and female students surveyed was not the same.
A man surveyed a sample of 36 high school students and asked, "How many days in the past week have you consumed an alcoholic beverage?" The results of the survey are shown to the right. Use these results to answer parts (a) through (f). 1 1 1 4 1 1 2 1 1 1 1 1 1 1 1 2 ..... (a) Is this data discrete or continuous? Continuous Discrete (b) Draw a histogram of the data and describe its shape. Choose the histogram below that correctly depicts the given data. O A. В. C. O D. 20- 20- 15- 20- 15- 10- 20- 15- 10- 15- 10- 10- 5- 5- 5- TTTT 0- TTT 0 123 45 0 123 45 0 123 45 0 123 45 Number of Drinks Number of Drinks Number of Drinks Number of drinks Describe the shape of the distribution. Choose the correct answer below. O A. The distribution is symmetric. O B. The distribution is skewed left. O C. The distribution is skewed right. (c) Based on the shape of the histogram, do you expect the mean to be more than, equal to, or less than the median? O A. The mean should be roughly equal to the median. B. The mean should be substantially larger than the median. O c. The mean should be substantially smaller than the median. (d) Compute the mean and median. What does this tell you? The mean is (Type an integer or decimal rounded to two decimal places as needed.) The median is Frequency Frequency Frequency Frequency olc
Transcribed Image Text:A man surveyed a sample of 36 high school students and asked, "How many days in the past week have you consumed an alcoholic beverage?" The results of the survey are shown to the right. Use these results to answer parts (a) through (f). 1 1 1 4 1 1 2 1 1 1 1 1 1 1 1 2 ..... (a) Is this data discrete or continuous? Continuous Discrete (b) Draw a histogram of the data and describe its shape. Choose the histogram below that correctly depicts the given data. O A. В. C. O D. 20- 20- 15- 20- 15- 10- 20- 15- 10- 15- 10- 10- 5- 5- 5- TTTT 0- TTT 0 123 45 0 123 45 0 123 45 0 123 45 Number of Drinks Number of Drinks Number of Drinks Number of drinks Describe the shape of the distribution. Choose the correct answer below. O A. The distribution is symmetric. O B. The distribution is skewed left. O C. The distribution is skewed right. (c) Based on the shape of the histogram, do you expect the mean to be more than, equal to, or less than the median? O A. The mean should be roughly equal to the median. B. The mean should be substantially larger than the median. O c. The mean should be substantially smaller than the median. (d) Compute the mean and median. What does this tell you? The mean is (Type an integer or decimal rounded to two decimal places as needed.) The median is Frequency Frequency Frequency Frequency olc
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