Question: Calculate and interpret the mean and the standard deviation for variables X and Y.

2. Calculate and interpret the Pearson’s correlation coefficient between test scores (X) and number of hours a person studied for a test (Y)

3. Determine if the coefficient is statistically significant and tell me how you reach that conclusion.

4. Based on your prior answer, reject /accept null hypotheses (2 tailed) and tell me what that means.

X Y

90 10

86 9

94 7

70 6

86 7

90 15

94 10

66 5

98 11

86 9