How to find critical value for correlation coefficient?
Understand the Problem
The question is asking for guidance on how to determine or calculate the critical value for a correlation coefficient in statistics. This typically involves understanding the correlation coefficient's distribution, significance levels, and sample size.
Answer
Use n - 2 degrees of freedom and consult a critical values table.
To find the critical value for the correlation coefficient, use the degrees of freedom (df) calculated as n - 2, and consult a table of critical values for the Pearson correlation coefficient.
Answer for screen readers
To find the critical value for the correlation coefficient, use the degrees of freedom (df) calculated as n - 2, and consult a table of critical values for the Pearson correlation coefficient.
More Information
The critical value helps to determine whether a correlation coefficient is statistically significant, based on sample size and the significance level chosen.
Tips
A common mistake is forgetting to use n - 2 for degrees of freedom; always double-check the values used.
Sources
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