Refer to Exercise 11.61.
a. Compute the standard correlation coefficient, ryx, between the backlog and response time.
b. Compute the standard correlation coefficient, ryx, between the backlog and ­logarithm of response time.
c. Compute the Spearman rank correlation coefficient, rs, between the backlog and response time.
d. Compute the Spearman rank correlation coefficient, rs, between the backlog and ­logarithm of response time.
e. Which of the two correlations best reflects the relationship between the backlog and response time?
In exercise

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Backlog 00 0 0 00 0 0 0 0 0 00 Resp time 2 3 5 6 8 10 13 15 16 20 24 27 32 3 42 Resp. time 12 23 51 36 48 112 123 163 172 120 252 237 212 245 246 Backlog 22 22 2 2 2 2 222 Resp, time 42 38 105 156 158 210 183 215 216 320 324 278 332 375 412 Backlog 333 33 33 3 3 3 33 3 3 Resp. time 62 73 58 126 208 270 313 45 416 320 324 427 432 435 442 Backlog 44 4 4 4 4 4 4 44 4 4 444 Resp. time 82 93 105 206 278 310 313 415 316 420 424 527 532 635 642