SECTION 9.52219. (a) One motor of each type should be tested on each day. The order in which the motors are tested on any givenday should be chosen at random. This is a randomized block design, in which the days are the blocks. It is nota completely randomized design, since randomization occurs only within blocks.(b) The test statistic is∑5i1XiX2∑4j1∑5i1XijXiXjX212.Section 9.51.ABCD1adbdabcdacbcabcdThe alias pairs areABCD,BACD,CABD,DABC,ABCD,ACBD, andADBC3. (a)Sum ofMeanVariableEffectDFSquaresSquareFPA230000121160000211600002645000
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