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Confidence interval estimate for the population mean amount

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Reference no: EM13911744

The file FastFood contains the amount that a sample of fifteen customers spent for lunch ($) at a fast-food restaurant:

7.42 6.29 5.83 8.34 9.51 7.10 6.80 5.90 4.89 6.50 5.52 7.90 8.30 9.60

a) Construct a 95% confidence interval estimate for the population mean amount spent for lunch ($) at a fast-food restaurant, assuming a normal distribution.

b) Interpret the interval constructed in (a).

Reference no: EM13911744

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