This document presents two situations and asks which type of statistical test would be most appropriate to analyze each situation:
1) A comparison of time spent on schoolwork between samples of faculty and students. This calls for a matched-pairs comparison of means to determine if one group spends more time on average.
2) A comparison of appraisal values given to the same diamond rings by two different jewelers. This calls for an independent-samples comparison of proportions to determine if the jewelers give the same values on average.
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For each of the following situations, indicate whether it calls for.pdf
1. For each of the following situations, indicate whether it calls for: A. An independent-samples
comparison of proportions B. An independent-samples comparison of means C. A matched-
pairs comparison of means 1.A sample of 10 faculty members and a sample of 20 students are
asked how much time they spent on schoolwork last weekend. The goal is to test whether one
group tends to spend more weekend time on average than the other on schoolwork. 2.Ten
diamond rings are shown to two jewelers and each jeweler is asked to determine the appraisal
value for each ring. The goal is to test whether the two jewelers give the same appraisal values
on average.22
Solution
1. C. A matched-pairs comparison of means 2.A. An independent-samples This is
definitely right. I had this question before.
