Answered: A study is done to evaluate an exercise…

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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Question

A study is done to evaluate an exercise program for junior high school students. A physical skills assessment score for each student is obtained before and after the 8 week program. The before and after assessment scores are then compared to one another for each student. The samples in this study are _______.

Group of answer choices

dependent (matched pairs/paired data)

independent

case-control

Expert Solution

Step 1

Dependent sample t test:

That is, the each sample unit of the data is being tested before and after. And their similarities are measured and also the samples are related to each other it can be concluded that the given sample is dependent sample.

Independent sample t test:

That is, the samples drawn are different from each other which means that samples are not related to each other.

Case control:

That is, here some group of people being tested with the disease under the group cases and the similar group of people being tested without the disease under the group controls.