45. Five observations taken for two variables follow. xi 4 6 11 3 16 yi 50 50...

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45. Five observations taken for two variables follow.

xi 4 6 11 3 16 yi 50 50 40 60 30

a. Develop a scatter diagram with x on the horizontal axis.

b. What does the scatter diagram developed in part

(a) indicate about the relationship between the two variables?

c. Compute and interpret the sample covariance.

d. Compute and interpret the sample correlation coefficient.

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Essentials Of Statistics For Business And Economics

ISBN: 9780324568608

5th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams

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Question Posted: Nov 06, 2024 05:01 AM

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45. Five observations taken for two variables follow. xi 4 6 11 3 16 yi 50 50...

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Essentials Of Statistics For Business And Economics

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