Sarah is conducting a correlation analysis.  She creates a correlation matrix with 5 variables, using data from a sample of 37 people.  She changed her mind and decided to conduct her analysis as a two-tailed test with an alpha of .05.  What is the critical value for Sarah's correlation? Enter your value with four decimal places.  Do not include a zero to the left of the decimal (i.e., .0001, not 0.0001, not .01, not .001).

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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Sarah is conducting a correlation analysis.  She creates a correlation matrix with 5 variables, using data from a sample of 37 people.  She changed her mind and decided to conduct her analysis as a two-tailed test with an alpha of .05.  What is the critical value for Sarah's correlation?

Enter your value with four decimal places.  Do not include a zero to the left of the decimal (i.e., .0001, not 0.0001, not .01, not .001).

Expert Solution
Step 1

Here for correlation coefficient we know that 

Degree of freedom is ( n - 2).

Df  = 37 - 2 = 35

 

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