Question

# A researcher is trying to determine whether there is a difference in the number of new...

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

Summarize the data into the appropriate test statistics. Show your work.

d. Based on your results, evaluate the null hypothesis. Circle One: Reject H0

e. State your conclusions in terms of the original research question.

f. Compute Cohen’s d and interpret the effect (i.e., is it a small, medium, or large effect)

g. Compute the upper and lower limits of the 99% confidence interval for this test.

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