The city of Tucson Arizona employs people to assess the
The city of Tucson, Arizona, employs people to assess the value of homes for the purpose of establishing real estate tax. The city manager sends each assessor to the same five homes and then compares the results. The information is given below, in thousands of dollars. Can we conclude that there is a difference in the assessors? Use the .05 significance level.


a. Is there a difference in the treatment means?
b. Is there a difference in the blockmeans?
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