A clinical psychologist wished to compare three methods for reducing hostility levels in university students using a certain psychological test (HLT). High scores on this test were taken to indicate great hostility, and 11 students who got high and nearly equal scores were used in the experiment Five were selected at random from among the 11 students and treated by method A, three were taken at random from the remaining six students and treated by method B, and the other three students were treated by method C. All treatments continued throughout a semester, when the HLT test was given again. The results are shown in the Table below. Suppose you must test the hypothesis at 5% level of significance that there is a difference in mean student scores after treatment for the three methods. Method Scores on the HLT Test A 73, 83, 76, 68, 80 B 54, 74 71 C 79. 95. 87 The treatment sum of square will be: a) 641.845 Ob) 641.800 c) 498.700 d) 300.234
A clinical psychologist wished to compare three methods for reducing hostility levels in university students using a certain psychological test (HLT). High scores on this test were taken to indicate great hostility, and 11 students who got high and nearly equal scores were used in the experiment Five were selected at random from among the 11 students and treated by method A, three were taken at random from the remaining six students and treated by method B, and the other three students were treated by method C. All treatments continued throughout a semester, when the HLT test was given again. The results are shown in the Table below. Suppose you must test the hypothesis at 5% level of significance that there is a difference in mean student scores after treatment for the three methods. Method Scores on the HLT Test A 73, 83, 76, 68, 80 B 54, 74 71 C 79. 95. 87 The treatment sum of square will be: a) 641.845 Ob) 641.800 c) 498.700 d) 300.234
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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