(26)
(Seepicture)
A. 175.5
B. 118.5
C. 135.5
D. None of the other choices is correct
(Choose1answer)
Performance Score
115
191
153
194
236
184
76
Overall Rating
74
78
79
80
84
What is the sample covariance between the performance scores and the rating?
E. 125.5
Given below are the rating and performance scores of 6 laptop computers.
