A social scientist wants to analyze the relationship between educational attainment and salary. He collects the following
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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. R-96
a. Calculate the covariance. What kind of linear relationship exists?
b. Calculate the coefficient of correlation. Comment on the strength of the linear relationship.
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