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Data were collected on the amount spent by 64 customers for lunch at a major Houston restaurant. These data are contained in the file named Houston Based upon past studies the population standard

Data were collected on the amount spent by 64 customers for lunch at a major Houston restaurant. These data are contained in the file named Houston. Based upon past studies the population standard deviation is known with σ = $15.

Click on the webfile logo to reference the data.

Round your answers to two decimal places. Use the critical value with three decimal places.

a. At 99% confidence, what is the margin of error?

b- Develop a 99% confidence interval estimate of the mean amount spent for lunch.

Apr 04 2020 Read more Less More

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