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 .Which of the following is the value of the test statistic? A) 7.47 B) 5.74 C) 4.77 D) 4.27

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The Answer of 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 .Which of the following is the value of the test statistic? A) 7.47 B) 5.74 C) 4.77 D) 4.27

The Following Data for Five Years of the Annual Returns