Are men or women more likely to be at the top of their class? The following table depicts fictional class standings for a group of men and women:
![1149_Table 4.jpg](https://secure.tutorsglobe.com/CMSImages/1149_Table%204.jpg)
a. Compute the Mann-Whitney U test statistic.
b. Make a decision regarding the null hypothesis. Is there a significant difference in the class ranks of men and women?