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 Exce

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