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Refer to the Real Estate data, which report information on homes sold in Goodyear, Arizona, and the surrounding area.
a. Use an appropriate nonparametric test to determine whether there is a difference in the typical selling price of the homes in the several townships. Assume the selling prices are not normally distributed. Use the .05 significance level.
b. Combine the homes with six or more bedrooms into one group and determine whether there is a difference according to the number of bedrooms in the typical selling prices of the homes. Use the .05 significance level and assume the distribution of selling prices is not normally distributed.
c. Assume that the distribution of the distance from the center of the city is positively skewed. That is, the normality assumption is not reasonable. Compare the distribution of the distance from the center of the city of the homes that have a pool with those that do not have a pool. Can we conclude there is a difference in the distributions? Use the .05 significance level. |
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