Suppose the average size of a new house built in a certain county in 2014 was 2,272
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Suppose the average size of a new house built in a certain county in 2014 was 2,272 square feet. A random sample of 25 new homes built in this county was selected in 2018. The average square footage was 2,190, with a sample standard deviation of 225 square feet. a. Using α = 0.02, does this sample provide enough evidence to conclude that the average house size of
a New home in the county has changed since 2014?
b. Determine the precise p-value for this test using Excel.
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a H 0 2272 square feet status quo H 1 2272 square feet This samp...View the full answer
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