[Solution Library] Realtor Ann Childress took a random sample of 12 homes in a prestigious suburb of Chicago and found the average appraised market value to
Question: Realtor Ann Childress took a random sample of 12 homes in a prestigious suburb of Chicago and found the average appraised market value to be $780,000, and the standard deviation to be $49,000. Test the hypothesis that all homes in the area, the mean appraised value is $800,000. Use a level of significance of 0.05. Use your computer. List all pertinent information and draw a graph.
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