2 TB MC Qu. 14-115 (Static) The following data for five years... 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 ()). were given as sx =35.77, sy =13.34, sxy = 447.68. Which of the following is the value of the sample correlation coefficient? nts 00:56:22 Multiple Choice eBook O 0.88 eferences O 0.78 O -0.78 O 0.94