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In a study of the factors that affect success in economics,data were collected for 8 business students.Scores on a calculus placement test are given with economics final exam scores.The data are below: It can be shown that for these data:
= 17.75,
= 70.38,
2 = 237.50,
2 = 545.875,
= 140.75 Calculate the sample covariance.
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