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Name: Sales at a fast-food restaurant average $6,000 per day. The restaurant
Uploaded: 2024-03-20T07:07:12.000Z
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Description: Sales at a fast-food restaurant average $6,000 per day. The restaurant decided to introduce an advertising campaign to increase daily sales. In order to determine the effectiveness of the advertising campaign, a sample of 49 day's sales were taken. T

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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Sales at a fast-food restaurant average $6,000 per day. The restaurant decided to introduce an advertising campaign to increase daily sales. In order to determine the effectiveness of the advertising campaign, a sample of 49 day's sales were taken. The sample showed average daily sales of $6,300. From past history, the restaurant knew that its population standard deviation is about $1,000. If the level of significance is 0.025, have sales increased as a result of the advertising campaign?

reject null hypothisis and conclude mean is lower than 6000?

Fail to reject?

Reject null and conclude the mean is higher than 60000?

reject null and conclude mean is equal to 6000

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