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We want to see whether...

We want to see whether students who live on-campus take more credits on average than students who live off-campus. What is the most appropriate statistical test?

(a) test for a difference in means with a two-sided alternative hypothesis

(b) test for a difference in means with a one-sided alternative hypothesis

(c) linear regression

(d) test for a difference in proportions

(a) test for a difference in means with a two-sided alternative hypothesis

(b) test for a difference in means with a one-sided alternative hypothesis

(c) linear regression

(d) test for a difference in proportions

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