Question

# The U.S. Dairy Industry wants to estimate the mean yearly milk consumption. A sample of 23...

 The U.S. Dairy Industry wants to estimate the mean yearly milk consumption. A sample of 23 people reveals the mean yearly consumption to be 78 gallons with a sample standard deviation of 20 gallons.
 (a-1) What is the value of the population mean?
 Population mean (Click to select)78 Unknown 20
 (a-2) What is the best estimate of this value?
 Estimate population mean
 (c) For a 98 percent confidence interval, what is the value of t? (Round your answer to 3 decimal places.)
 Value of t
 (d) Develop the 98 percent confidence interval for the population mean. (Round your answers to 3 decimal places.)
 Confidence interval for the population mean is  and .
 (e) Would it be reasonable to conclude that the population mean is 69 gallons? (Click to select)Yes No It is not possible to tell.

Answer #1

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