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Help  1. Is there a significant difference between Group X and Group Y? How do you know?

Help  1. Is there a significant difference between Group X and Group Y? How do you know?

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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1. Is there a significant difference between Group X and Group Y? How do you know?

T-Test [Dataset0] Group Statistics Std. Deviation Std. Error Mean IV Mean DV X 20 3.4000 1.27321 28470 20 1.14593 25624 Independent Samples Test Levene's Test for Equality of Variances t-test for Eguality of Means Std. Error Difference Мean F Sig df Sig (2-tailed) Difference DV Equal variances assumed .608 441 .00 -4.65000 38303 -12,140 Equal variances not assumed 37.586 .000 4.65000 38303
Transcribed Image Text:T-Test [Dataset0] Group Statistics Std. Deviation Std. Error Mean IV Mean DV X 20 3.4000 1.27321 28470 20 1.14593 25624 Independent Samples Test Levene's Test for Equality of Variances t-test for Eguality of Means Std. Error Difference Мean F Sig df Sig (2-tailed) Difference DV Equal variances assumed .608 441 .00 -4.65000 38303 -12,140 Equal variances not assumed 37.586 .000 4.65000 38303
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