The table at the lower right lists the number of fulltime employees at each of 22 office

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The table at the lower right lists the number of fulltime employees at each of 22 office furniture dealers serving Tampa, Florida, and its surrounding communities. Summary statistics for the data are provided in the SAS printout below.

a. Construct a 99% confidence interval for the true mean number of full-time employees at office furniture dealers in Tampa.

b. Interpret the interval, part a.

c. Comment on the assumption required for the interval to be valid.

d. The 22 dealers in the sample were the top-ranked furniture dealers in Tampa based on sales volume in 1995. How does this fact impact the validity of the confidence interval? Explain.

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Statistics For Business And Economics

ISBN: 9780130272935

8th Edition

Authors: James T. McClave, Terry Sincich, P. George Benson

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