Question: Use Table 10 of Appendix B to determine a 95% confidence interval for the true population linear correlation coefficient based on the following sample statistics:

Use Table 10 of Appendix B to determine a 95% confidence interval for the true population linear correlation coefficient based on the following sample statistics:
a. n = 8 r = 0.20
b. n = 100 r = - 0.40
c. n = 25, r = - 0.65
d. n = 15, r = - 0.23

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