Answered: Step 3 of 4 : Compute the value of…

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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Question

A local fast-food restaurant serves buffalo wings. The restaurant’s managers notice that they normally sell the following proportions of flavors for their wings: 20% Spicy Garlic, 20% Classic Medium, 30% Teriyaki, 20% Hot BBQ, and 10% Asian Zing. After running a campaign to promote their nontraditional specialty wings, they want to know if the campaign has made an impact. The results after 10 days are listed in the following table. Is there sufficient evidence at the 0.005 level of significance to say that the promotional campaign has made any difference in the proportions of flavors sold?

Buffalo Wing Sales

	Number Sold
Spicy Garlic	116
Classic Medium	127
Teriyaki	143
Hot BBQ	123
Asian Zing	74

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Step 3 of 4 :

Compute the value of the test statistic. Round any intermediate calculations to at least six decimal places, and round your final answer to three decimal places.

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