Corrections to the Seventh Edition
Despite our best efforts to produce error-free books various types of
mistakes remain. On this page we will announce all such errors and their
corrections. If you discover a new one please e-mail me at gkeller@wlu.ca
Note: Some of the following corrections may have been already made to your copy.
Page 48, First line after the table: Change Table 2.4 to Table 2.8
Page 51, Exercise 2.43 Delete (in $thousands)
Page 133, Change equation on sixth line to y[hat] = 105.3 + 7.035x
Page 224, Second box: Add
Incidentally, the variance of a Poisson random variable is equal to the mean. That is,
Page 445, Exercise 13.45: Change 220 to 150.
Page 558, sixth line from the bottom, change Accounting to Marketing
Page 560, space above the Excel printout make the following changes
1 = Accounting
2 = Finance
3 = Marketing
Page 587, first line after Minitab printout: The susbscript for b should be 1 (not 0).
Page 634, sixth line: The formula for MSR should be MSR = SSR/k
Page 723, line above the box containing Xr20-47: The line should read
Exercises 20.47-20.51 are based on the following problem
Page 750, Exercise 21.31: Change "5 years ago" to "last year"
Appendix C
Page C4, 12.54d: Change to The interval narrows.
Page C5, 13.72a: Change to -.40 to -.04
Page C6, 19.22:Change to
b t = 3.11, p-value = .0025; yes
c t = -5.36, p-value = 0; yes
Page C7, 19.40:Change to The regression equation is the same as in Exercise 19.22.
Page C7, 19.48a: Change I[sub 4] to I[sub 1] and I[sub 5] to I [sub 2]
