The dataset RestaurantTips has information from First Crush bistro in northern New York state. Computer output of
Question:
(a) How many tips are included in the dataset? What is the mean? What is the standard deviation?
(b) Compute the standard error for the mean using the formula SE = s/n. Compare the result to the value given under SE Mean in the computer output.
(c) Use the summary statistics to compute a 95% confidence interval for the average tip given at this restaurant.
(d) Compare the answer in part (c) to the confidence interval given in the following computer output for the same data:
(e) Interpret the confidence interval in context.
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Related Book For
Statistics Unlocking The Power Of Data
ISBN: 9780470601877
1st Edition
Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock
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