A Fund Manager Wants to Know If the Annual Rate

Multiple Choice

A fund manager wants to know if the annual rate of return is greater for growth stocks (sample 1) than for value stocks (sample 2) . The fund manager collects data on the returns of growth and value funds. Below are the sample sizes and rank sums for the Wilcoxon rank-sum test. Assuming that the sampling distribution of W can be approximated by the normal distribution, the value of the test statistic is ________.

A) 4.07
B) −4.07
C) −12.07
D) 12.07