Question: 2.55 To explore the relationship between the grades students receive on their first quiz (X) and their first exam (Y). The first quiz and exam

2.55 To explore the relationship between the grades students receive on their first quiz (X) and their first exam (Y). The first quiz and exam scores for a sample of students reveal the following data:

Quiz Scores (x) 4 3.4 3 5 1.1 Exam Scores (y) 78 66 82 80 30

a. Compute the covariance.

b. Compute the correlation coefficient.

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