CHAPTERS Chapter 2 Chapter 3 Chapter 4 Chapter 6
CHAPTERS Chapter 2 Page 45. Conceptual problem 2.15. The text currently reads (incorrect values are highlighted): 2.15 Q2 = 50 for a positively skewed variable, and Q2 = 50 for a negatively skewed variable. I assert that Q1 will not necessarily be the same for both variables. Am I correct? True or false? The text should read: 2.15 Q2 = 50 for a positively skewed variable, and Q2 = 50 for a negatively skewed variable. I assert that Q1 will not necessarily be the same for both variables. Am I correct?
Chapter 3 Page 64. Section 3.3.4. The text currently reads (incorrect values are highlighted): 1.
The range is the only appropriate measure for ordinal data. The H spread, variance…
The text should read: 1. The range and H spread are the only appropriate measures for ordinal data. The variance…
Chapter 4 Page 81. Figure 4.2. There are two incorrect values in the figure. 1. 2.
In the first column (for z), the bottom value should be .05, not .04 In the sixth column (for p(z)), the top value should be .8413477., not .8414625
Chapter 6 Page 123. The text currently reads (incorrect values are highlighted): … In general, the hypothesized mean value is denoted by μ0 (here μ0 = 100). Another H0 might be the statistics exam population means are the same for male and female students, which we denote as H0: μ1 – μ2 100 (further down on that page) The scientific hypotheses H1 for our two examples are… H1: μ1 – μ2 100 The text should read … In general, the hypothesized mean value is denoted by μ0 (here μ0 = 100). Another H0 might be the statistics exam population means are the same for male and female students, which we denote as H0: μ1 – μ2
The scientific hypotheses H1 for our two examples are… H1: μ1 – μ2
Page 142. Figure 6.6, at the top of the second column, the bottom value should be 2 = .20 , not
1 = .20
Chapter 7 Page 170. At the bottom of Table 7.1, should be
Y 1 185.0000
Y 2 215.0000
X 1 185.0000
X 2 215.0000
not
In other words, substitute Y for X
Page 170. At the bottom of Figure 7.1, the second value from the left should be -2.4844 not -2.4884
Chapter 8 Page 209. Two-thirds of the way down the page, the text reads As previously shown in Figure 5.1 in the context…. It should be As previously shown in Figure 5.2 in the context….
Chapter 11 Page 305. Line 6 of text, should be F = 6.8177, not F = 2.1877 Page 311. Line 8 from the bottom of the page, should be kurtosis = -1.019, not kurtosis = -.0191 Page 338. Problem 11.20, the words all run together on the last line of the text; need proper spacing
Chapter 12 Page 367. Figure 12.2, next to bottom box on right should be Tukey-Kramer, not Turkey-Kramer
Chapter 13 Page 385. Bottom line of text should be Problem 13.6, not Problem 13.5
Chapter 14 Page 432. Middle of the page right above 14.4 header. The text should be
defined by =j and discussed… not defined by j and discussed…
Page 432. Directly below the correction above, the text should be H0:=.1 = =.2 = ... = =.J H1: not all the =.j are equal That is, all of the primes are missing (=in both equations
Page 450. Table 14.6, bottom box on the right. The text should read In this case, we do not meet the assumption… not In this case, we meet the assumption…
Page 466. In the screenshot, the lower-left box. The text should read 6. Number of covariates not 6. Number of convariates
Chapter 15 Page 501 Table 15.9 The column header on the right-side should be Level of Factor B (Repeated Factor) not Level of Factor A (Repeated Factor)
Page 507 Figure 15.2 The boxed legend is incorrect. The dark line should be for Instructor 1, the light line is for Instructor 2. That is, the legend for the Instructors is reversed. See the screenshot on page 538 for the correct legend.
Page 541, line 7. Should be those p values are greater than
not those p values are less than
Page 548 Screenshot, the upper-right box should be A priori power not Post hoc power
Page 548 line 11. Should be Here are the a priori power results … not Here are the post hoc power results…
Chapter 16 Page 577 Top screen shot, at the bottom of the text box, the test should read and represents the reading score Not and repersents the reading score
Page 604, sixth line from bottom of page, the test should read From Table 16.10, the results… Not From Table 15.10, the results…
Chapter 17 Page 627 the equation for s(Y’o) should end with 3.3441 Not .3.3441
Page 639 at the top of the page, the top box in the middle should be
F
MS reg MS res
427.842 10.020
427.842 10.020
not
F MS reg MS res Chapter 18
Page 667 the text currently reads (incorrect highlighted): According to the subjective standard of Cohen (1988), a small effect size is defined as R2 = .10, a medium effect size as R2 = .30, and a large effect size as R2 = .50. The text should read According to the subjective standard of Cohen (1988), a small effect size is defined as R2 = .02, a medium effect size as R2 = .13, and a large effect size as R2 = .26.
Page 669 The text currently reads (incorrect values are highlighted): The F test statistic is compared to the F critical value, always a one-tailed test (by default, this value can never be negative given the terms in the equation so this will always be a nondirectional test) … The text should read The F test statistic is compared to the F critical value, always a one-tailed test (by default, this value can never be negative given the terms in the equation so this will always be a directional test) …
Page 691 the box below the screenshot, the text should be …will be used for diagnostics… not …will be used to for diagnostics…
Page 701 the text currently reads (incorrect highlighted): We follow Cohen’s (1988) conventions for effect size (i.e., small r2 = .02; moderate r2 = .15; large r2 = .35). The text should read We follow Cohen’s (1988) conventions for effect size (i.e., small R2 = .02; moderate R2 = .13; large R2 = .26).
Page 701 the textbox at the bottom of the screenshot should read Here are the a priori power results. not Here are post hoc power results.
Chapter 19 Page 747 bottom of the page, the textbox on the right of the screenshot should read Here are the a priori power results. not Here are post hoc power results.
Odd-Numbered Answers to Problems (Appendix) Chapter 2 Odd-Numbered Answers to Problems (Appendix) Conceptual Problems 2.15 page 786. The answer currently reads (incorrect values are highlighted): 2.15 No (it is most likely that Q1 will be smaller for the negatively skewed variable).
The answer should be: 2.15 Yes (it is most likely that Q1 will be smaller for the negatively skewed variable).
Computational Problems 2.1g. Page 795, 2.1g: The answer currently reads (incorrect values are highlighted): Q1 = 44.4, Q2 = 46.25, Q3 = 47.4545 (using “values are group midpoints” option)
The answer should be: Q1 = 44.36, Q2 = 46.21, Q3 = 47.67 (using “values are group midpoints” option)
2.1h. Page 795, computational problem 2.1h: The answer currently reads (incorrect values are highlighted): P10 = 42.75, P90 = 49.1
The answer should be: P10 = 42.67, P90 = 49.13
2.3Page 788, computational problem 2.3 (a-c): The answer currently reads (incorrect values are highlighted): 2.3 (a–c) Q1 = 4.4, Q2 = 5.375, Q3 = 7.3333 (using “values are group midpoints” option) The answer should be: 2.3 (a–c) Q1 = 4.31, Q2 = 5.23, Q3 = 7.29 (using “values are group midpoints” option)
Page 788, computational problem 2.3 (d): The answer currently reads (incorrect values are highlighted): (d) P44.5 = 5.169 The answer should be: (d) P44.5 = 5.23
Chapter 3 Odd-Numbered Answers to Problems (Appendix) 3.1. Page 789, computational problem 3.1: The answer currently reads (incorrect values are highlighted): 3.1 Mode = 47, median = 46.25, mean = 46, exclusive range = 9, inclusive range = 10, H = 3.0546, variance = 5.28, standard deviation = 2.2978. The answer should be: 3.1 Mode = 47, median = 46.21, mean = 46, exclusive range = 9, inclusive range = 10, H = 3.30, variance = 5.39, standard deviation = 2.32.
3.3. Page 789, computational problem 3.3: The answer currently reads (incorrect values are highlighted): 3.3 Mode = 5, median = 5.375, mean = 5.80, exclusive range = 8, inclusive range = 9, H = 2.9334, variance = 4.1655, standard deviation = 2.041. The answer should be: 3.3 Mode = multiple modes exist, the smallest is 5, median = 8.67, mean = 8.46, exclusive range = 14, inclusive range = 15, H = 6.20, variance = 14.09, standard deviation = 3.75.
Chapter 4 Odd-Numbered Answers to Problems (Appendix) 4.3. Page 790, computational problem 4.3: The answer currently reads (incorrect values are highlighted): 4.3 a = .9332, b = .7611, c = 8.97, d = 104,200, e = approximately 97.72%, f = approximately 62.93%, g = 78.87%. The answers should be: 4.3 a = .9332, b = .7611, c = 8.91, d = 100059.40, e = approximately 97.72%, f = approximately 62.93%, g = 20%.
Chapter 7 Odd-Numbered Answers to Problems (Appendix) 7.1. Page 799, computational problem 1: The answer currently reads (incorrect values are highlighted): 7.1 (a) t = −2.1097, critical values are approximately −2.041 and +2.041, reject H0. (b) (−9.2469, −.1531), does not include hypothesized value of 0 and thus reject H0. The answers should be: 7.1 (a) t = −2.110, critical values are approximately −2.041 and +2.041, reject H0. (b) (−9.24377, −.15623), does not include hypothesized value of 0 and thus reject H0.
Chapter 8 Odd-Numbered Answers to Problems (Appendix) 8.1. Page 800, computational problem 8.1: The answer currently reads (incorrect values are highlighted): 8.1 p = .75, z = 2.1898, critical values = −1.96 and +1.96, thus reject H0. The answers should be: 8.1 p = .75, z = 1.936, critical values = −1.96 and +1.96, thus fail to reject H0.
8.5Page 800, computational problem 8.5: The answer currently reads (incorrect values are highlighted): 8.5 Critical value = 9.48773, fail to reject H0 as the test statistic does not exceed the critical value.
The answer should be: 8.5 Critical value = 11.1433, fail to reject H0 as the test statistic does not exceed the critical value.
8.7Page 800, computational problem 8.7: The answer currently reads (incorrect values are highlighted): 8.7 χ2 = .404, critical value = 2.70554, thus fail to reject H0. The answer should be: 8.7 χ2 = .404, critical value = 3.84146, thus fail to reject H0.
Chapter 10 Odd-Numbered Answers to Problems (Appendix) Page 801, computation problem 10.3: The answer currently reads (incorrect values are highlighted): 10.3 t = 3.9686, critical values are approximately −2.048 and +2.048, fail to reject H0.
The answer should be: 10.3 t = 3.9686, critical values are approximately −2.048 and +2.048, reject H0.
Appendix 1. Table A.2 a. Page 760: 7 df (row 7), two tailed alpha = .05 (column 3 of numbers) is currently listed as 2.305 and should be 2.365 2. Table A.3. Page 761: v = 90 (next to last row), alpha = .975 (column 2 of numbers) currently reads 66.6466 and should read 65.6466 3. Table A.4. page 763 a. Alpha = .05, v1 = 20, v2 = 5, currently reads 4.50 and should read 4.56 b. Alpha = .05, v1 = 24, v2 = 3, currently reads 8.04 and should read 8.64 c. Alpha = .05, v1 = 30, v2 = 9, currently reads 2.80 and should read 2.86 4. Table A.4. page 765 Alpha = .01, v1 = infinity, v2 = 26, currently reads 2.18 and should read 2.13 5. Table A.8 page 772 a. V = 9, alpha = .20, number contrasts = 9, currently reads 2.696 and should read 2.698 b. V = 10, alpha = .20, number contrasts = 20, currently reads 3.106 and should read 3.108 c. V = 11, alpha = .10, number contrasts = 2, currently reads 2.166 and should read 2.186 6. Table A.8 page 773 a. V = 18, alpha = .10, number contrasts = 9, currently reads 2.806 and should read 2.808 7. Table A.8 page 774 a. V = 40, alpha = .05, number contrasts = 4, currently reads 2.606 and should read 2.608 b. V = 60, alpha = .05, number contrasts = 20, currently reads 3.146 and should read 3.148 8. Table A.8 page 775 a. V = 120, alpha = .01, number contrasts = 4, currently reads 3.067 and should read 3.087
9. Table A.10 page 782 a. Alpha = .01, X = 3, v = 5, J = 16, currently reads 10.17 and should read 16.17
Chapter 3 Page 64. Section 3.3.4. The text currently reads (incorrect values are highlighted): 1.
The range is the only appropriate measure for ordinal data. The H spread, variance…
The text should read: 1. The range and H spread are the only appropriate measures for ordinal data. The variance…
Chapter 4 Page 81. Figure 4.2. There are two incorrect values in the figure. 1. 2.
In the first column (for z), the bottom value should be .05, not .04 In the sixth column (for p(z)), the top value should be .8413477., not .8414625
Chapter 6 Page 123. The text currently reads (incorrect values are highlighted): … In general, the hypothesized mean value is denoted by μ0 (here μ0 = 100). Another H0 might be the statistics exam population means are the same for male and female students, which we denote as H0: μ1 – μ2 100 (further down on that page) The scientific hypotheses H1 for our two examples are… H1: μ1 – μ2 100 The text should read … In general, the hypothesized mean value is denoted by μ0 (here μ0 = 100). Another H0 might be the statistics exam population means are the same for male and female students, which we denote as H0: μ1 – μ2
The scientific hypotheses H1 for our two examples are… H1: μ1 – μ2
Page 142. Figure 6.6, at the top of the second column, the bottom value should be 2 = .20 , not
1 = .20
Chapter 7 Page 170. At the bottom of Table 7.1, should be
Y 1 185.0000
Y 2 215.0000
X 1 185.0000
X 2 215.0000
not
In other words, substitute Y for X
Page 170. At the bottom of Figure 7.1, the second value from the left should be -2.4844 not -2.4884
Chapter 8 Page 209. Two-thirds of the way down the page, the text reads As previously shown in Figure 5.1 in the context…. It should be As previously shown in Figure 5.2 in the context….
Chapter 11 Page 305. Line 6 of text, should be F = 6.8177, not F = 2.1877 Page 311. Line 8 from the bottom of the page, should be kurtosis = -1.019, not kurtosis = -.0191 Page 338. Problem 11.20, the words all run together on the last line of the text; need proper spacing
Chapter 12 Page 367. Figure 12.2, next to bottom box on right should be Tukey-Kramer, not Turkey-Kramer
Chapter 13 Page 385. Bottom line of text should be Problem 13.6, not Problem 13.5
Chapter 14 Page 432. Middle of the page right above 14.4 header. The text should be
defined by =j and discussed… not defined by j and discussed…
Page 432. Directly below the correction above, the text should be H0:=.1 = =.2 = ... = =.J H1: not all the =.j are equal That is, all of the primes are missing (=in both equations
Page 450. Table 14.6, bottom box on the right. The text should read In this case, we do not meet the assumption… not In this case, we meet the assumption…
Page 466. In the screenshot, the lower-left box. The text should read 6. Number of covariates not 6. Number of convariates
Chapter 15 Page 501 Table 15.9 The column header on the right-side should be Level of Factor B (Repeated Factor) not Level of Factor A (Repeated Factor)
Page 507 Figure 15.2 The boxed legend is incorrect. The dark line should be for Instructor 1, the light line is for Instructor 2. That is, the legend for the Instructors is reversed. See the screenshot on page 538 for the correct legend.
Page 541, line 7. Should be those p values are greater than
not those p values are less than
Page 548 Screenshot, the upper-right box should be A priori power not Post hoc power
Page 548 line 11. Should be Here are the a priori power results … not Here are the post hoc power results…
Chapter 16 Page 577 Top screen shot, at the bottom of the text box, the test should read and represents the reading score Not and repersents the reading score
Page 604, sixth line from bottom of page, the test should read From Table 16.10, the results… Not From Table 15.10, the results…
Chapter 17 Page 627 the equation for s(Y’o) should end with 3.3441 Not .3.3441
Page 639 at the top of the page, the top box in the middle should be
F
MS reg MS res
427.842 10.020
427.842 10.020
not
F MS reg MS res Chapter 18
Page 667 the text currently reads (incorrect highlighted): According to the subjective standard of Cohen (1988), a small effect size is defined as R2 = .10, a medium effect size as R2 = .30, and a large effect size as R2 = .50. The text should read According to the subjective standard of Cohen (1988), a small effect size is defined as R2 = .02, a medium effect size as R2 = .13, and a large effect size as R2 = .26.
Page 669 The text currently reads (incorrect values are highlighted): The F test statistic is compared to the F critical value, always a one-tailed test (by default, this value can never be negative given the terms in the equation so this will always be a nondirectional test) … The text should read The F test statistic is compared to the F critical value, always a one-tailed test (by default, this value can never be negative given the terms in the equation so this will always be a directional test) …
Page 691 the box below the screenshot, the text should be …will be used for diagnostics… not …will be used to for diagnostics…
Page 701 the text currently reads (incorrect highlighted): We follow Cohen’s (1988) conventions for effect size (i.e., small r2 = .02; moderate r2 = .15; large r2 = .35). The text should read We follow Cohen’s (1988) conventions for effect size (i.e., small R2 = .02; moderate R2 = .13; large R2 = .26).
Page 701 the textbox at the bottom of the screenshot should read Here are the a priori power results. not Here are post hoc power results.
Chapter 19 Page 747 bottom of the page, the textbox on the right of the screenshot should read Here are the a priori power results. not Here are post hoc power results.
Odd-Numbered Answers to Problems (Appendix) Chapter 2 Odd-Numbered Answers to Problems (Appendix) Conceptual Problems 2.15 page 786. The answer currently reads (incorrect values are highlighted): 2.15 No (it is most likely that Q1 will be smaller for the negatively skewed variable).
The answer should be: 2.15 Yes (it is most likely that Q1 will be smaller for the negatively skewed variable).
Computational Problems 2.1g. Page 795, 2.1g: The answer currently reads (incorrect values are highlighted): Q1 = 44.4, Q2 = 46.25, Q3 = 47.4545 (using “values are group midpoints” option)
The answer should be: Q1 = 44.36, Q2 = 46.21, Q3 = 47.67 (using “values are group midpoints” option)
2.1h. Page 795, computational problem 2.1h: The answer currently reads (incorrect values are highlighted): P10 = 42.75, P90 = 49.1
The answer should be: P10 = 42.67, P90 = 49.13
2.3Page 788, computational problem 2.3 (a-c): The answer currently reads (incorrect values are highlighted): 2.3 (a–c) Q1 = 4.4, Q2 = 5.375, Q3 = 7.3333 (using “values are group midpoints” option) The answer should be: 2.3 (a–c) Q1 = 4.31, Q2 = 5.23, Q3 = 7.29 (using “values are group midpoints” option)
Page 788, computational problem 2.3 (d): The answer currently reads (incorrect values are highlighted): (d) P44.5 = 5.169 The answer should be: (d) P44.5 = 5.23
Chapter 3 Odd-Numbered Answers to Problems (Appendix) 3.1. Page 789, computational problem 3.1: The answer currently reads (incorrect values are highlighted): 3.1 Mode = 47, median = 46.25, mean = 46, exclusive range = 9, inclusive range = 10, H = 3.0546, variance = 5.28, standard deviation = 2.2978. The answer should be: 3.1 Mode = 47, median = 46.21, mean = 46, exclusive range = 9, inclusive range = 10, H = 3.30, variance = 5.39, standard deviation = 2.32.
3.3. Page 789, computational problem 3.3: The answer currently reads (incorrect values are highlighted): 3.3 Mode = 5, median = 5.375, mean = 5.80, exclusive range = 8, inclusive range = 9, H = 2.9334, variance = 4.1655, standard deviation = 2.041. The answer should be: 3.3 Mode = multiple modes exist, the smallest is 5, median = 8.67, mean = 8.46, exclusive range = 14, inclusive range = 15, H = 6.20, variance = 14.09, standard deviation = 3.75.
Chapter 4 Odd-Numbered Answers to Problems (Appendix) 4.3. Page 790, computational problem 4.3: The answer currently reads (incorrect values are highlighted): 4.3 a = .9332, b = .7611, c = 8.97, d = 104,200, e = approximately 97.72%, f = approximately 62.93%, g = 78.87%. The answers should be: 4.3 a = .9332, b = .7611, c = 8.91, d = 100059.40, e = approximately 97.72%, f = approximately 62.93%, g = 20%.
Chapter 7 Odd-Numbered Answers to Problems (Appendix) 7.1. Page 799, computational problem 1: The answer currently reads (incorrect values are highlighted): 7.1 (a) t = −2.1097, critical values are approximately −2.041 and +2.041, reject H0. (b) (−9.2469, −.1531), does not include hypothesized value of 0 and thus reject H0. The answers should be: 7.1 (a) t = −2.110, critical values are approximately −2.041 and +2.041, reject H0. (b) (−9.24377, −.15623), does not include hypothesized value of 0 and thus reject H0.
Chapter 8 Odd-Numbered Answers to Problems (Appendix) 8.1. Page 800, computational problem 8.1: The answer currently reads (incorrect values are highlighted): 8.1 p = .75, z = 2.1898, critical values = −1.96 and +1.96, thus reject H0. The answers should be: 8.1 p = .75, z = 1.936, critical values = −1.96 and +1.96, thus fail to reject H0.
8.5Page 800, computational problem 8.5: The answer currently reads (incorrect values are highlighted): 8.5 Critical value = 9.48773, fail to reject H0 as the test statistic does not exceed the critical value.
The answer should be: 8.5 Critical value = 11.1433, fail to reject H0 as the test statistic does not exceed the critical value.
8.7Page 800, computational problem 8.7: The answer currently reads (incorrect values are highlighted): 8.7 χ2 = .404, critical value = 2.70554, thus fail to reject H0. The answer should be: 8.7 χ2 = .404, critical value = 3.84146, thus fail to reject H0.
Chapter 10 Odd-Numbered Answers to Problems (Appendix) Page 801, computation problem 10.3: The answer currently reads (incorrect values are highlighted): 10.3 t = 3.9686, critical values are approximately −2.048 and +2.048, fail to reject H0.
The answer should be: 10.3 t = 3.9686, critical values are approximately −2.048 and +2.048, reject H0.
Appendix 1. Table A.2 a. Page 760: 7 df (row 7), two tailed alpha = .05 (column 3 of numbers) is currently listed as 2.305 and should be 2.365 2. Table A.3. Page 761: v = 90 (next to last row), alpha = .975 (column 2 of numbers) currently reads 66.6466 and should read 65.6466 3. Table A.4. page 763 a. Alpha = .05, v1 = 20, v2 = 5, currently reads 4.50 and should read 4.56 b. Alpha = .05, v1 = 24, v2 = 3, currently reads 8.04 and should read 8.64 c. Alpha = .05, v1 = 30, v2 = 9, currently reads 2.80 and should read 2.86 4. Table A.4. page 765 Alpha = .01, v1 = infinity, v2 = 26, currently reads 2.18 and should read 2.13 5. Table A.8 page 772 a. V = 9, alpha = .20, number contrasts = 9, currently reads 2.696 and should read 2.698 b. V = 10, alpha = .20, number contrasts = 20, currently reads 3.106 and should read 3.108 c. V = 11, alpha = .10, number contrasts = 2, currently reads 2.166 and should read 2.186 6. Table A.8 page 773 a. V = 18, alpha = .10, number contrasts = 9, currently reads 2.806 and should read 2.808 7. Table A.8 page 774 a. V = 40, alpha = .05, number contrasts = 4, currently reads 2.606 and should read 2.608 b. V = 60, alpha = .05, number contrasts = 20, currently reads 3.146 and should read 3.148 8. Table A.8 page 775 a. V = 120, alpha = .01, number contrasts = 4, currently reads 3.067 and should read 3.087
9. Table A.10 page 782 a. Alpha = .01, X = 3, v = 5, J = 16, currently reads 10.17 and should read 16.17
