(Ch14-EOC-Q7) please answer all questions in the image

7. Gravetter/Wallnau/Forzano, Essentials - Chapter 14 - End-of-chapter question 10 For a two-tailed test with a = .05, use the table of critical values of r (available at the end of this question) to determine how large a Pearson correlation is necessary to be statistically significant for each of the following samples. A sample of n = 6: A sample of n = 12: A sample of n = 24: Critical Values of the Pearson Correlation Coefficient: Level of Significance for One-Tailed Test .05 .025 .01 .005 Level of Significance for Two-Tailed Test df = n -2 .10 .05 -02 .01 988 900 -878 1729 .754 6 .622 .707 .789 .834 12 458 .532 .612 561 24 .330 .388 453 .496