Question: Data were collected at a student-run cafe concerning their daily sales over the course of 40 representative days. The manager wants to know if there
Data were collected at a student-run cafe concerning their daily sales over the course of 40 representative days. The manager wants to know if there is evidence that the mean number of cookies sold per day, across the population of all days, is greater than 5. Statistical software was used to conduct a single sample mean t test: 1-Sample t: Cookies Sold Descriptive Statistics N Mean StDev SE Mean 95% Lower bound for 47 5.7872 3.2567 0.4750 4.9898 : mean of Cookies Sold Test T-Value = 1.66 P-Value = 0.0521 Given this output, at the 0.05 alpha level we should [ Select ] the null hypothesis. There [ Select ] evidence that the population mean is greater than 5
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