Given a sample with r = 0.321, n = 30, and ? $\alpha$ = 0.10, determine the critical values $\mathrm { t } _ { 0 }$ necessary to test the claim $Q$ ? = 0.
A) $\pm 1.701$
B) $\pm 1.311$
C) $\pm 2.462$
D) $\pm 0.683$

Question

Quizplus · Accepted Answer

The critical values for testing the claim that the population correlation coefficient ρ = 0 can be found using the t-distribution with n - 2 degrees of freedom. Given n = 30, the degrees of freedom (df) = 30 - 2 = 28. For a two-tailed test with α = 0.10, the critical t-value for 28 degrees of freedom is approximately ±1.701.

Given a Sample with R = 0 α\alphaα = 010, Determine the Critical Values

Given a Sample with R = 0 $\alpha$ = 010, Determine the Critical Values