Correlation and Regression Analysis Twenty students were given 100 item-tests in Research and Statistics. The results are shown in the following table: Please see picture attached* a. Calculate the...

Correlation and Regression Analysis

Twenty students were given 100 item-tests in Research and Statistics. The results are shown in the following table:

Please see picture attached*

a. Calculate the coefficient of correlation using the Pearson’s Product–Moment coefficient of correlation and Spearman Rank Correlation. Interpret.

b. Test the significance of each coefficient of correlation.

c. Write the regression line equation.

Extracted text: Scores in Scores in Research Statistics 75 90 83 90 60 50 64 67 55 51 40 59 80 76 89 68 75 90 79 100 83 89 56 75 48 75 51 81 59 68 60 69 80 80 90 100 99 100 78 80