Question

A survey of the selling prices of houses across the United States found that the average house sold for $300,000. Zillow wants to test whether this average is accurate. A random sample of 80 house sales produced a mean price of $315,000. Assume the population standard deviation of house sales is s = $25,000. Help Zillow test the theory that the current price sample is different than the known average. Make sure to write all the hypothesis, graphs, rejection regions, statistics, ANOVA table and conclusion for any required tests.

          A survey of the selling prices of houses across the United States found that the average house sold for $300,000. Zillow wants to test whether this average is accurate. A random sample of 80 house sales produced a mean price of $315,000. Assume the population standard deviation of house sales is s = $25,000. Help Zillow test the theory that the current price sample is different than the known average. Make sure to write all the hypothesis, graphs, rejection regions, statistics, ANOVA table and conclusion for any required tests.

A survey of the selling prices of houses across the United States found that the average house sold for 300,000. Zillow wants to test whether this average is accurate. A random sample of 80 house sales produced a mean price of315,000. Assume the population standard deviation of house sales is s = 25,000. Help Zillow test the theory that the current price sample is different than the known average. Make sure to write all the hypothesis, graphs, rejection regions, statistics, ANOVA table and conclusion for any required tests.

Added by Tonya M.

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