Answered: What are the eight steps in computing a…

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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What are the eight steps in computing a t-test for dependent groups

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Step 1

The paired t is used when the two sample are paired or related samples. When the sample is measured twice, or paired samples are taken, then the two samples would be dependent. This indicates that paired t test is used for comparing the dependent samples.

Conditions (assumption) to perform the paired t-test:

Dependent variable is measured on a continuous scale.
Each score in one sample is paired with a particular score in the other sample.
The difference of the either group follows normal distribution.

The test statistic for the paired t-test is given as follows:

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