Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05.
R = 0.543, n = 25
A) Critical values: r=±0.487 , no significant linear correlation
B) Critical values: r=±0.396 , no significant linear correlation
C) Critical values: r=±0.487 , significant linear correlation
D) Critical values: r=±0.396 , significant linear correlation

Question

Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05.
R = 0.543, n = 25 
A) Critical values:  r=±0.487 , no significant linear correlation
B) Critical values:  r=±0.396 , no significant linear correlation
C) Critical values:  r=±0.487 , significant linear correlation
D) Critical values:  r=±0.396 , significant linear correlation

Quizplus · Accepted Answer

The Answer of Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05.
R = 0.543, n = 25 
A) Critical values:  r=±0.487 , no significant linear correlation
B) Critical values:  r=±0.396 , no significant linear correlation
C) Critical values:  r=±0.487 , significant linear correlation
D) Critical values:  r=±0.396 , significant linear correlation

Given the Linear Correlation Coefficient R and the Sample Size