Answered: Researchers want to test a new…

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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Researchers want to test a new anti-hunger weight loss pill. They have 10 people rate their hunger both before and after taking the pill. Does the pill do anything to alleviate hunger? Use a two-tail test with an α=.05. Answer the questions below before making a statistical decision.

BEFORE PILL	AFTER PILL
9	7
10	6
7	5
5	4
7	4
5	6
9	7
6	5
8	5
7	7

1. Calculate the degrees of freedom and find the critical regions cut-off values for a two-tail test, α =.05.

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