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A researcher is interested in determining the required sample size for testing the change in R square from 0 in a regression model with the following parameters (assume medium effect size): Level of significance = 0.05 Power = 0.95 The regression equation is: Ý = a+b, X, +b, X, +b,X, +b,X, +b,X, The required total sample size for this test is, O 138 O 129 O 146 O 132

A researcher is interested in determining the required sample size for testing the change in R square from 0 in a regression model with the following parameters (assume medium effect size): Level of significance = 0.05 Power = 0.95 The regression equation is: Ý = a+b, X, +b, X, +b,X, +b,X, +b,X, The required total sample size for this test is, O 138 O 129 O 146 O 132

MATLAB: An Introduction with Applications
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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( do asap , i will upvote) do number 5 with explanation
QUESTION 4 A researcher is interested in determining the required sample size for testing the slope of a simple regression model with the following parameters (assume a two-tailed test and use a medium effect size value): Level of significance = 0.05 Power = 0.95 The required total sample size for this test is O 74 O 87 O 89 O 85 QUESTION 5 A researcher is interested in determining the required sample size for testing the change in R square from 0 in a regression model with the following parameters (assume medium effect size): Level of significance = 0.05 Power = 0.95 The regression equation is: Ý = a +b, X, +b,X, +b,X, +b,X, +b,X, The required total sample size for this test is O 138 O 129 O 146 O 132
Transcribed Image Text:QUESTION 4 A researcher is interested in determining the required sample size for testing the slope of a simple regression model with the following parameters (assume a two-tailed test and use a medium effect size value): Level of significance = 0.05 Power = 0.95 The required total sample size for this test is O 74 O 87 O 89 O 85 QUESTION 5 A researcher is interested in determining the required sample size for testing the change in R square from 0 in a regression model with the following parameters (assume medium effect size): Level of significance = 0.05 Power = 0.95 The regression equation is: Ý = a +b, X, +b,X, +b,X, +b,X, +b,X, The required total sample size for this test is O 138 O 129 O 146 O 132
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