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A random sample for five exam scores produced the following (hours of study, grade) data values:

Hours Studied (x) Test Grade (y)

3.5 ............... 88

2.4 ............... 76

4 ............... 92

5 ............... 85

1.1 ............... 60

a. Compute the covariance.

b. Compute the correlation coefficient

Hours Studied (x) Test Grade (y)

3.5 ............... 88

2.4 ............... 76

4 ............... 92

5 ............... 85

1.1 ............... 60

a. Compute the covariance.

b. Compute the correlation coefficient

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