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value: 10.00 points The city of Tucson, Arizona, employs people to assess the va

ID: 2906559 • Letter: V

Question

value: 10.00 points 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 0.05 significance level. Assessor Home Zawodny Norman Cingle Holiday $52 56 56 65 84 $55 $43 54 45 64 $44 56 63 83 82 a. Is there a difference in the treatment means? (Round your answer to 2 decimal places.) The computed F value is Decision: (Click to select) a difference in the treatment means. b. Is there a difference in the block means? (Round your answer to 2 decimal plaes.) The computed F is Decision: (Click to select) a difference in the block means. References eBook & Resources

Explanation / Answer

applying 2 way ANOVA on above data:

a)

the computed F value =0.13

Decision :can not conclude that a difference in the treatment means

b)

the computed F is 25.24

Decision: Conclude that a difference in the block means

Source of Variation SS df MS F blocks 4042.30 4.00 1010.58 25.24 treatments 16.00 3.00 5.33 0.13 Error 480.50 12.00 40.04 Total 4538.80 19.00