Question: A social scientist wants to analyze the relationship between educational attainment and salary. He collects the following sample of data where Education refers to years

A social scientist wants to analyze the relationship between educational attainment and salary. He collects the following sample of data where Education refers to years of higher education and Salary is the person€™s annual salary in thousands of dollars.

a. Calculate the covariance. What kind of linear relationship exists?
b. Calculate the correlation coefficient. Comment on the strength of the linearrelationship.

Educatiorn Salary 40 53 60 35 55 50 80 35

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