The real estate assessor for a county government wants to study various characteristics of single family houses
Question:
• Heated area of the houses (in square feet): X = 1,759, S = 380.
• 42 houses have central air conditioning.
a. Construct a 99% confidence interval estimate for the population mean heated area of the houses.
b. Construct a 95% confidence interval estimate for the population proportion of houses that have central air conditioning.
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Related Book For
Statistics For Managers Using Microsoft Excel
ISBN: 772
7th Edition
Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat
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