Exhibit 14-6 You are given the following information about x and y. X Independent Variable y Dependent Variable 4 12 6 3 2 7 4 6 Refer to Exhibit 14-6. The sample correlation coefficient equals a. -.1905 b. .4364 c. .1905 d. -.4364
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x̄ = (4 + 6 + 2 + 4)/4 = 4 ȳ = (12 + 3 + 7 + 6)/4 = 7 Show more…
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Exhibit 14-6 You are given the following information about x and y. x Independent Variable y Dependent Variable 4 12 6 3 2 7 4 6 variance of X = 2.67 variance of Y = 14 covariance of X & Y = -2.67 Refer to Exhibit 14-6. The sample correlation coefficient, r equals ______. a. .1905 b. -.4367 c. .4367 d. -.1905
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