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Name: A psychologist is working with three types of aptitude tests that may
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Description: 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

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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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