Assume that a sample of bivariate data yields the correlation coefficient, r, indicated. Use Table 12.9 for

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Assume that a sample of bivariate data yields the correlation coefficient, r, indicated. Use Table 12.9 for the specified sample size and level of significance to determine whether a linear correlation exists.


Table 12.9:


a = 0.05 a = 0.01 п 4 0.950 0.990 0.878 0.959 6. 0.811 0.917 0.754 0.875 0.707 0.834 0.666 0.798 10 0.632 0.765 0.602 1


r = -0.51 when n = 13 at a = 0.05.

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A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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