Answered: The Natural Cereal Company claims that…

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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The Natural Cereal Company claims that the average weight of is cereal boxes is

at least 15oz.

If a random sample of 24 boxes produced a sample mean x = 13.8 and a sample standard deviation s = 4.8, use the sample mean and standard deviation to test the claim at the 95% (? = 0.05) significance level.

Use the hypothesis H0: μ = 15 and H1: μ < 15 with a one-tail test.

Find the T score for the test statistic x = 13.8
(A) ̶ 1.837 (C) ̶ 1.224 (B) ̶ 1.530 (D) ̶ 1.460

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