The following data for five years of the annual returns for two of Vanguard's mutual funds, the Vanguard Energy Fund (x) and the Vanguard Healthcare Fund (y), were given as s_x = 35.77, s_y = 13.34, s_xy = 447.68. The competing hypotheses are H0:xy=0HA:xy0. At the 5% significance level, which of the following is the critical value of the test statistic?

Multiple Choice

(A) 2.571

(B) 2.776

(C) 3.182

(D) 2.353

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The coefficients of each explanatory variable in a multiple linear regression model have the same interpretation as the coefficient of the explanatory variable in a simple linear regression model.

True or False