For each of the following situations indicate whether it cal

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

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.22:05 PM

3. A sample of 40 male students and a sample of 40 female students are asked whether they attended last week

Solution

1. B. An independent-samples comparison of means

2. C. A matched-pairs comparison of means

3. A. An independent-samples comparison of proportions

4- A. An independent-samples comparison of proportions

5- C. A matched-pairs comparison of means