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The customer service department of a local gas utility company

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Question;The customer service department of a local gas utility company would like to estimate theaverage length of time between the entry of service request and the connection of service calledthe response time. A random sample of 5 houses was selected from the records available duringthe past year. The results in number of days are displayed below:11, 12, 9, 10, 13a) Compute the sample mean and sample standard deviation of the response time.b) Construct a 95% confidence interval for the average response time for all customersrequesting connection of service.c) How would you explain the confidence interval for the response time to the President of thecompany? Provide a clear and complete answer. Use actual variable names and numbers in youranswer. Do not use words like population in your answer that the president may not understand.

 

Paper#47668 | Written in 18-Jul-2015

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