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
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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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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