Mathematics, 19.01.2021 19:00 izzy201995
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.
Answers: 3
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Five observations taken for two variables follow.
xi 4 6 11 3 16
yi 50 50 40 60 30
a....
yi 50 50 40 60 30
a....
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