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An introductory math teacher wanted to know the relationship between course grades and course evaluation. He had all of the students in his Question 17 introductory math class complete a course evaluation. He correlated their course evaluation scores with their course grades, letting A=5, B-4, C=3, D=2 an F=1. Here are his data. Interpret r, p - .05 What is the r value? Pearson Correlation Grade Evaluation Pearson 1 36 Correlation Grade Sig. (2-tailed) 02 Question 18 N 15 15 Pearson 36 Correlation What is the p-value for the correlation? Evaluation Sig. (2-tailed) .02 15 15 What is the p-value for the correlation? Question 19 2 pts State the R2 for the correlation. Question 20 2 pts State the effect size value for this correlation