Homework SourseA survey of undergraduate college students at a small univer
A survey of undergraduate college students at a small university was recently done by an administrator in charge of residential life services. A random sample of 300 students was selected from each class level (freshman, sophomore, junior, senior). Each student was asked to complete and return a short questionnaire on quality of campus residence. Some students returned the questionnaire, and some didn\'t. This is summarized in the table below:
Class
Returned
Not response
Total
Freshman
110
190
300
Sophomore
130
170
300
Junior
170
130
300
Senior
160
140
300
Which of the following conclusions seems to be supported by the data?
A.
Juniors and seniors appear to be more likely to return the survey than freshmen and sophomores.
B.
Juniors and seniors are happier with the quality of campus residence than freshman and sophomores.
C.
Students who did not return the questionnaire are unhappy with the quality of campus residence.
D.
The percentage of students returning the questionnaire is the same for each class.
| A survey of undergraduate college students at a small university was recently done by an administrator in charge of residential life services. A random sample of 300 students was selected from each class level (freshman, sophomore, junior, senior). Each student was asked to complete and return a short questionnaire on quality of campus residence. Some students returned the questionnaire, and some didn\'t. This is summarized in the table below:
Which of the following conclusions seems to be supported by the data? | ||||||||||||||||||||
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Solution
From the data it is clear that there are more returns from the Seniors and Juniors as compared to freshman and sophomores.
As the data represents only the number of returns and non returns,
Hence the correct option is A) Juniors and seniors appear to be more likely to return the survey than freshmen and sophomores.
