Concept explainers
a.
Explain whether the situation is considered as paired data.
a.
Explanation of Solution
Given info:
The data represents the scores of the students in MCAT.
Justification:
The scores of the students were paired because the scores of the students before and after were dependent on the MCAT prep course.
b.
Explain whether the situation is considered as paired data.
b.
Explanation of Solution
Given info:
The data represents the scores of the males and females students.
Justification:
The scores of the male and female students were not paired because the scores of the male are different and independent from the scores of female.
c.
Explain whether the situation is considered as paired data.
c.
Explanation of Solution
Given info:
The data represents on selecting the group of freshmen to know the quality of the cafeteria at the beginning and a year later.
Justification:
The data taken from the students were paired because the survey was taken twice from the students. The response of the students was not independent.
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Chapter 21 Solutions
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