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Select an answer Because we are testing the population standard deviation, we will use v normal distribution with degrees of freedom.

Select an answer Because we are testing the population standard deviation, we will use v normal distribution with degrees of freedom.

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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Part 1 of 4 The manager of Frenchies is concerned that patrons are not consistently receiving the same amount of French fries with each order. The chef claims that the standard deviation for a 7-ounce order of fries is at most 0.8 ounces. To test the chef's claim, the manager randomly weighs 28 orders of fries with the following results (in ounces): 7.7, 5, 7.3, 8.7, 7.8, 8.3, 8.3, 6.2, 6.1, 7.8, 6.3, 6.9, 4.8, 7.4, 6, 7.2, 6.5, 7, 7.9, 8.7, 7.9, 7.1, 5.7, 7.1, 8.4, 6.8, 6.3, 6.3 Perform a hypothesis test using a 2% level of significance to test the chef's claim. Step 1: State the null and alternative hypotheses. Ho:0 sv 0.8 Ha:o >v 0.8 (So we will be performing a right-tailed test.) Part 2 of 4 Step 2: Assuming the null hypothesis is true, determine the features of the distribution of test statistics. Select an answer Because we are testing the population standard deviation, we will use v normal degrees of freedom. t. distribution with
Transcribed Image Text:Part 1 of 4 The manager of Frenchies is concerned that patrons are not consistently receiving the same amount of French fries with each order. The chef claims that the standard deviation for a 7-ounce order of fries is at most 0.8 ounces. To test the chef's claim, the manager randomly weighs 28 orders of fries with the following results (in ounces): 7.7, 5, 7.3, 8.7, 7.8, 8.3, 8.3, 6.2, 6.1, 7.8, 6.3, 6.9, 4.8, 7.4, 6, 7.2, 6.5, 7, 7.9, 8.7, 7.9, 7.1, 5.7, 7.1, 8.4, 6.8, 6.3, 6.3 Perform a hypothesis test using a 2% level of significance to test the chef's claim. Step 1: State the null and alternative hypotheses. Ho:0 sv 0.8 Ha:o >v 0.8 (So we will be performing a right-tailed test.) Part 2 of 4 Step 2: Assuming the null hypothesis is true, determine the features of the distribution of test statistics. Select an answer Because we are testing the population standard deviation, we will use v normal degrees of freedom. t. distribution with
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