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, at α = 0.05? Assessor Home Zawodny Norman Cingle Holiday A $59 $52 $44 $43 B 59 55 56 56 C 47 54 47 53 D 73 64 61 63 E 82 83 94 86 (a) Is there a difference in the treatment means, at α = .05? (Round your answer to 2 decimal places.)
(b) Is there a difference in the block means, at α = .05? (Round your answer to 2 decimal places.)