Q: One aspect of a study of gender differences involves the play behavior
One aspect of a study of gender differences involves the play behavior of monkeys during the first year of life ( courtesy of H. Harlow, U. W. Primate Laboratory). Six male and six female monkeys are...
See AnswerQ: In a taste test of two chocolate chip cookie recipes, 13
In a taste test of two chocolate chip cookie recipes, 13 out of 17 subjects favored recipe A. Using the sign test, find the significance probability when H1 states that recipe A is preferable.
See AnswerQ: Two critics rate the service at six award-winning restaurants on
Two critics rate the service at six award-winning restaurants on a continuous 0 to 10 scale. Is there a difference between the critics' ratings? (a) Use the sign test with a below .05. (b) Find the...
See AnswerQ: A social researcher interviews 25 newly married couples. Each husband and
A social researcher interviews 25 newly married couples. Each husband and wife are independently asked the question: "How m any children would you like to have?" The following data are obtained. Do th...
See AnswerQ: Use Appendix B, Table 9, to find: (
Use Appendix B, Table 9, to find: (a) P ( T+ ≥ 65 ] when n = 12. (b) P ( T+ ≤ 10] when n = 10. (c) The value c such that P [ T+ ≥ c ] = .039 wh...
See AnswerQ: Referring to Exercise 15.13, apply the Wilcoxon signed-
Referring to Exercise 15.13, apply the Wilcoxon signed-rank test with a near .05. Data from Exercise 15.13: Two critics rate the service at six award-winning restaurants on a continuous 0 to 10 scale...
See AnswerQ: The following measurements of the diameters (in feet) of Indian
The following measurements of the diameters (in feet) of Indian mounds in southern Wisconsin were gathered by examining reports in the Wisconsin Archaeologist (courtesy of J. Williams). 22 24 24 30...
See AnswerQ: The null distribution of the Wilcoxon signed-rank statistic T+
The null distribution of the Wilcoxon signed-rank statistic T+ is det ermined from the fact that under the null hypothesis of a symmetric distribution about zero, each of the ranks 1, 2, ... , n is eq...
See AnswerQ: A married couple's monthly credit charges are divided into his and hers
A married couple's monthly credit charges are divided into his and hers and the difference, husband's minus wife's, is calculated. A random sample of 30 married couples yielded the Wilcoxon signed-ran...
See AnswerQ: We presented data on the blood pressure of 15 persons before and
We presented data on the blood pressure of 15 persons before and after they took a pill. (a) Perform a sign test, with a near .05, to determine if blood pressure has decreased after taking the pill....
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