Question
The following data for five years of the annual returns for two of Vanguard's mutual funds, the Vanguard Energy Fund ( x ) and the
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 sx = 35.77, sy = 13.34, sxy = 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
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