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Find the critical values) and identify the rejection region(s). (c) Find the standardized test statistic. (d) Decide whether to reject or fail to reject the null hypothesis.

Find the critical values) and identify the rejection region(s). (c) Find the standardized test statistic. (d) Decide whether to reject or fail to reject the null hypothesis.

MATLAB: An Introduction with Applications
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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(b) Find the critical values) and identify the rejection region(s). (c) Find the standardized test statistic. (d) Decide whether to reject or fail to reject the null hypothesis.
A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 55 milligrams. You want to test this claim. During your tests, you find that a random sample of thirty 12-ounce bottles of cola has a mean caffeine content of 56.3 milligrams. Assume the population is normally distributed and the population standard deviation is 6.2 milligrams. At a=0.08, can you reject the company's claim? Complete parts (a) through (e). (a) Identify Ho and H₂. Choose the correct answer below. OA. Ho: 56.3 Ο Β. Μο: μ = 56.3 H₂:μ=56.3 H₂:μ#56.3 C. Ho: 1=55 Ha: #55 OD. Ho: *55 H₂:μ=55 OE. Ho: μ256.3 H: <56.3 OF. Ho: µ255 H₂:μ<55 (b) Find the critical value(s). Select the correct choice below and fill in the answer box within your choice. (Round to two decimal places as needed.) OA. The critical values are t OB. The critical value is
Transcribed Image Text:A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 55 milligrams. You want to test this claim. During your tests, you find that a random sample of thirty 12-ounce bottles of cola has a mean caffeine content of 56.3 milligrams. Assume the population is normally distributed and the population standard deviation is 6.2 milligrams. At a=0.08, can you reject the company's claim? Complete parts (a) through (e). (a) Identify Ho and H₂. Choose the correct answer below. OA. Ho: 56.3 Ο Β. Μο: μ = 56.3 H₂:μ=56.3 H₂:μ#56.3 C. Ho: 1=55 Ha: #55 OD. Ho: *55 H₂:μ=55 OE. Ho: μ256.3 H: <56.3 OF. Ho: µ255 H₂:μ<55 (b) Find the critical value(s). Select the correct choice below and fill in the answer box within your choice. (Round to two decimal places as needed.) OA. The critical values are t OB. The critical value is
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