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Appliance Magazine provided estimates of the life expectancy of household appliances. A simple random sample of 10 VCRs show the following useful life in years.

6.5 8.0 6.2 7.4 7.0 8.4 9.5 4.6 5.0 7.4

a. Develop a point estimate of the population mean life expectancy for VCRs.

b. Develop a point of the population standard deviation for life expectancy of VCRs.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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