Sales at a Fast-Food Restaurant Average $6,000 Per Day

question 51

Multiple Choice

Sales at a fast-food restaurant average $6,000 per day. The restaurant decided to introduce an advertising campaign to increase daily sales. To determine the effectiveness of the advertising campaign,a sample of 49 days of sales were taken. They found that the average daily sales were $6,300 per day. 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?

• A)Fail to reject the null hypothesis.
• B)Reject the null hypothesis and conclude the mean is higher than $6,000 per day.
• C)Reject the null hypothesis and conclude the mean is lower than $6,000 per day.
• D)Reject the null hypothesis and conclude that the mean is equal to $6,000 per day.

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Definitions:

Process Variables

Variables that capture the mechanisms or processes through which an effect or outcome is achieved in a study.

Experimental Counseling

The application of experimental research methods to test the efficacy of counseling techniques and interventions.

Process Research

Investigation focused on understanding the underlying mechanisms or processes that explain how or why something occurs.

Research Design

The framework or strategy for planning, conducting, and analyzing a research project.