Zillow.com is a site that can be used to assess the value of homes in your neighborhood.
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Zillow.com is a site that can be used to assess the value of homes in your neighborhood. The organization provides a list of homes for sale as well as a Zestimate, which is the price Zillow believes the home will sell for. The following data represent the Zestimate and sale price (in thousands of dollars) of a random sample of recently sold homes in Charleston, South Carolina.
(b) Determine the least-squares regression line. Test whether there is a relation between the Zestimate and sale price at the α = 0.05 level of significance.
(c) A home with a Zestimate of $370,000 recently sold for $150,000. Determine the least-squares regression line with this home included. Test whether there is a relation between the Zestimate and sale price at the α = 0.05 level of significance. Do you think this observation is influential?
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Related Book For
Statistics Informed Decisions Using Data
ISBN: 9780134133539
5th Edition
Authors: Michael Sullivan III
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