Business, 06.08.2019 19:10 syd6702

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

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