Question

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).
0,1,0,0,0,0
1,0,0,0,0,4
1,5,1,1,0,4
1,0,0,1,0,1
2,0,1,1,,0,1,0
0,1,1,2,3,2

b) Draw a histogram of the data and describe its shape. Choose the histogram below that correctly depicts the given data.

c.
Describe the shape of the distribution.
Choose the correct answer below.

A.The distribution is skewed left.

B.The distribution is symmetric.

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?

A.The mean should be roughly equal to the median.

B.The mean should be substantially smaller than the median.

C.The mean should be substantially larger than the median.

(e) Determine the mode.

The mode is

nothing
.
​(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?

A.Yes, the survey suffers from sampling bias because the number of male and female students surveyed was not the same.

B.Yes, the survey suffers from sampling bias because the number of male and female students surveyed was the same.

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.

D.No, the survey does not suffer from bias because it was administered randomly and the question asked is in balanced form.

Answer 1

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