Online Classes Are Becoming More and More Prevalent at the College

Multiple Choice

Online classes are becoming more and more prevalent at the college level. A statistics instructor randomly sampled ten students from his traditional face-to-face class and ten students from his
Online class to compare their comprehension of the material that was taught in the class. He
Administered the same final exam to each student and wants to use the Wilcoxon Rank Sum test to
Compare their exam scores. The results are shown below: Calculate the test statistic for the Wilcoxon Rank Sum Test for Large Samples.

A) z = -0.756
B) z = 0.756
C) z = 115
D) z = 95