psychologist is working with three types of aptitude tests that may be given to prospective management trainees. Three tests of each type are given to members of each of four groups of subject type. These were distinguished by ratings of poor, fair, good, and excellent in preliminary interviews. The psychologist randomly selects nine trainees from each of the four subject types. Next, the psychologist assigns three trainees to each (subject type, test type) combination. Test the null hypothesis that the population mean test scores are the same for the four ratings and the null hypothesis that the population mean test scores are the same for the types of aptitude tests. a. Randomized Block Design b. One-Way ANOVA c. Two-Way ANOVA
psychologist is working with three types of aptitude tests that may be given to prospective management trainees. Three tests of each type are given to members of each of four groups of subject type. These were distinguished by ratings of poor, fair, good, and excellent in preliminary interviews. The psychologist randomly selects nine trainees from each of the four subject types. Next, the psychologist assigns three trainees to each (subject type, test type) combination. Test the null hypothesis that the population mean test scores are the same for the four ratings and the null hypothesis that the population mean test scores are the same for the types of aptitude tests. a. Randomized Block Design b. One-Way ANOVA c. Two-Way ANOVA
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 13CYU
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A psychologist is working with three types of aptitude tests that may be given to prospective management trainees. Three tests of each type are given to members of each of four groups of subject type. These were distinguished by ratings of poor, fair, good, and excellent in preliminary interviews. The psychologist randomly selects nine trainees from each of the four subject types. Next, the psychologist assigns three trainees to each (subject type, test type) combination. Test the null hypothesis that the population mean test scores are the same for the four ratings and the null hypothesis that the population mean test scores are the same for the types of aptitude tests.
a. Randomized Block Design
b. One-Way ANOVA
c. Two-Way ANOVA
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