Use Table 10 of AppendixB to determine a 95% confidence interval for the true population linear correlation coefficient based on the following sample statistics. (Glve your answers correct to two...

Extracted text: Use Table 10 of AppendixB to determine a 95% confidence interval for the true population linear correlation coefficient based on the following sample statistics. (Glve your answers correct to two decimal places.) (a) n = 8, r= 0.20 -.22 X to 1.02 (b) n = 100, r = -0.40 -.55 to -.22 (c) n = 25, r = 0.65 X to .87 (d) n = 15, r = -0.25 -.62 x to


Extracted text: Table 10 Confidence Belts for the Correlation Coefficient (1-a)=0.95 The numbers on the curves are sample sizes. +1.0 +0.8 +0.6 +0.4 8 925 83 品 +0.2 100 200 400 400 200 100 -0.2 -0.4 -0.6 -0.8 -1.0 -1.0 -0.8 -0.6 -0.4 -0.2 +0.2 +0.4 Scale of r (sample correlation) +0.6 +0.8 +1.0 Scale of p (population correlation coefficient)