For each of the following studios, say whether you would use a t test for depend
ID: 3174847 • Letter: F
Question
For each of the following studios, say whether you would use a t test for dependent means or a t test for independent means. A researcher measures the heights of 40 university students who are the firstborn in their families and compares the 15 who come from large families to the 25 who come from smaller families. A researcher tests performance on a math skills test of each of 250 individuals before and after they complete a one day seminar on managing test anxiety. A researcher compares the resting heart rate of 15 individuals who have been taking a particular drug to the resting heart rate of 48 other individuals who have not been taking the drug.Explanation / Answer
Solution:
a) since each participanr is in one group or the other ,this test would use a t-test for independent means
b) Since each participant is in both groups, the samples are not independent . this test would use a t-test for depent means
c) since each participant is in one group or the other , this test would use a t-test would use a t-test for independent means
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