Investment Institutions Usually Have Funds with Different Risk Versus Reward

Multiple Choice

Investment institutions usually have funds with different risk versus reward prospectuses.A trading magazine wants to determine if the returns of high-risk funds are greater than low-risk funds.The magazine records the return of high- and low-risk funds for a sample of 22 institutions.For the Wilcoxon signed-rank test,where D = high-risk return - low-risk return,the value of the test statistic is T = T⁺ = 185.Assuming that T follows a normal distribution,the value of the test statistic is _____.

A) 0.062
B) 1.899
C) 185
D) 1.899ز