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The general manager of a chain of fast food chicken restaurants wants to determine how effective their promotional campaigns are. In these campaigns "20% off" coupons are widely distributed. These coupons are only valid for one week. To examine their effectiveness, the executive records the daily gross sales (in $1,000s) in one restaurant during the campaign and during the week after the campaign ends. The data is shown below. Can they infer at the 5% significance level that sales increase during the campaign?
Use the Data Analysis software if you prefer.
Test statistic = ______________
Critical Value(s) = ______________
Conclusion: ______________
Interpretation: __________________________________________
Estimate with 95% confidence the mean difference.
______________
Background Information
Prevailing data or knowledge, often about a person or topic, that is used to provide context or prepare for future engagement.
Applicants
Individuals who apply for a position within an organization, expressing their interest in and availability for a job.
Unstructured
Refers to situations, data, or processes that lack a predefined data model or organization, making them more complex to understand and analyze.
Interviewer
a person who asks questions, often for purposes such as job recruitment, media broadcasting, or research.
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