A Researcher Wishes to Compare How Students at Two Different

question 23

Multiple Choice

A researcher wishes to compare how students at two different schools perform on a math test.He randomly selects 40 students from each school and obtains their test scores.

• A)Either two-sample or paired t-tests will work equally well.
• B)Pooled t-test,since the standard deviations of the two populations are likely to be the same.
• C)Paired t-test,since the students at the two schools can be paired together.
• D)Two-sample t-test,since the samples are independent.
• E)Not enough information is given to determine the correct type of test.