| Page |
Line |
Correction |
| 17 |
Ex1.14 |
On that page I say that I show the M&M count an an associated web site, but Hammer, at Xavier Univ. in Lousiana, pointed out that his students could not find it. Neither can I. So I went on a hunt and found quite a good reference at https://blogs.sas.com/content/iml/2017/02/20/proportion-of-colors-mandms.html. I think that you will enjoy that page, even if you do not use SAS statistical software. (Even statisticians do whakey things once in a while.)
|
| 37 |
last paragraph |
Max Gwynn, at Wilfrid Laurier University, in At Waterloo, Canada, pointed out that I wrote the reference to Table 3.1 should be to Table 3.2 on the next page.
|
| 88 |
Last equation |
Ronald Porter, at St. Mary's University in Alberta, and Max Gwynn, at Wilfrid Laurier University, pointed out that I wrote sx2 when I simply meant to write sx.
|
| 127 |
Ex6.5c |
Michael Lape pointed out that I used the standard deviation of 30, given in Ex6.3 and Ex6.4 instead of the correct one of 7.5. The resulting answer should be 62.66.
|
| 136 |
Last equation |
David Lepinoy pointed out that the X (mult) in the last equation should be a + (plus). I think that I just got carried away with X's, though he was nice enough to blame the typesetter.
|
| 234 |
Line 7 |
Michael Kiene pointed out that the Ŷ should be Ȳ.
|
| 248 |
Bottom of page |
I reported that SPSS gives a one-tailed probability, but Burke Johnson at Southern Alabama Univ. pointed out that the probability is two-sided. I don't know where that error came from.
|
| 254 |
Step 1 |
Michael Kiene pointed out that it should read Ȳ = 175.5/50.
|
| 295 |
Ex11.2 & 11.4 |
Chris Beam, at USC, pointed out that Exercise 11.4 refers to a column (tolerances) in Exercise 11.2 that really isn't there. The image that should have been there follows.
|
| 333 |
Ex12.19 |
Keith Burt, at the University of Vermont, pointed out that Exercise 12.19 is clearly stated as a one-tailed test, and yet I treated it as a two-tailed test. I think that he is correct, and the critcal value at α = .05 would be 1.697.
|
| 341 |
Ex12.19 |
Michael Kiene pointed out that I really messed up this calcuation--my words, not his. The mean is -1.33 and the st. dev. is 2.024, so t = 2.54.
|
| 345 |
First Confidence Interval |
Sara Plummer at Wayne State noticed that I used the wrong critical value of chi-square. It should be 2.12. That means that the confidence interval should be 3.58 - 10.94.
|
| 349 |
Ex13.13 |
Keith Burt caught me again in reverse. I clearly asked for a two-tailed test, but gave the answer for a one-tailed test. The critical value would be t = 2.878, which gives a necessary N = 25.54 = 26. I appreciate the correction.
|
| 365 |
R code |
The third line of the code should be broken after the first close-parenthesis, and "names(data)" should be on a new line. Or you can put a semicolon before "names."
|
| 451 |
Table 17.3 |
Second equation should read 16.147 - 11,610/100.
|
| 478 |
|
For first mean in equation for SSsubjects, mean should be 6.60, not 6.80. Thanks to Michael Kiene.
|
| 492 |
Ex18.5 |
Caught again by Keith Burt. The correct summary table should be
Source df SS MS F
Subjects 8 612.00
Weeks 1 544.50 544.50 14.424
Error 8 302.00 37.75
Total 17 1458.50
[F.05(1,24) = 4.26]
There is a significant increase in decrease in severity over time. F = t2 = 3.7982 = 14.424.
|
| 507 |
Figure 19.2. |
Swap the labels to "Blue = Male, Black = Female." And make the vertical axis read "Probability." Thanks to Michael Kiene.
|
| 512 |
3rd para. line 2 |
change "<=" to "%"
|
| 513 |
line 13 |
Remove "only."
|
| 530 |
data table |
Move T+ = 2 and T- = 26 right by two columns. Thanks to Michael Kiene.
|
| 534 |
line 1 |
Change "Ponoun" to "Pronoun."
|
| 547 |
line 12 |
Xpre should be X̄pre .
|
| 547 |
line 12 |
Xpre should be X̄pre .
|
| |
|
|
