A researcher is trying to determine whether there is a difference in the number of new friends that students make during their freshman year based on whether they live on or off campus. The descriptive statistics for the two groups are presented below. Conduct the appropriate hypothesis test to determine whether there is a significant difference in the number of new friends made.
On-Campus Freshmen |
Off-Campus Freshmen |
X1 = 4.48 s1 =1.81 N1 =16 |
X2 =3.61 s2 =1.86 N2 =16 |
a. State the null and alternative hypotheses in words.
b. Set up the decision criteria. That is, find the critical values. (Use a = .01)
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