Mathematics, 21.04.2021 04:50 lewisj53

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 $6,400. From past history, the restaurant knew that its population standard deviation is about $1,000. The value of the test statistic is .

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Sales at a fast-food restaurant average $6,000 per day. The restaurant decided to introduce an adver...