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Name: 1. The average weight of a group of individuals in a weight loss progr
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Description: 1. The average weight of a group of individuals in a weight loss program was originally 200 pounds. After 2 weeks of the program, a sample of 60 such individuals are considered, and it is found that the average weight for these sampled individuals is

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. The average weight of a group of individuals in a weight loss program was originally 200 pounds. After 2 weeks of the program, a sample of 60 such individuals are considered, and it is found that the average weight for these sampled individuals is 180 pounds with a standard deviation of 80 pounds. What would be the pair of hypotheses to test if the average weight has gone down.

A. H0 : μ ≥ 200 vs Ha : μ < 200

B. H0 : μ > 200 vs Ha : μ < 200

C. H0 : μ <200 vs Ha : μ > 200

D. H0 : μ < 200 vs Ha : μ ≥ 200

2.What would be the standard error of the sample mean in problem 1?

A. 1.15

B. 1.33

C. 10.33

D. 12

3. What would be the p-value for testing the pair of hypotheses in problem 1?

A. 0.1

B. 0.058

C. 0.05

D. 0.029

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