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(b-1) At a =.05, has the variance changed? Choose the correct hypothesis. a. He: 017 1027 # 1 VE. H1: 012 1027 =1 b. H:

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(b-1) At a =.05, has the variance changed? Choose the correct hypothesis. a. He: 017 1027 # 1 VE. H1: 012 1027 =1 b. H: 012 102 2=1 VS. H1: 512102 2 # 1 O a (b-2) At a = .05, what Is the decision rule? a. Reject He If Fcalc 1042. b. Reject Me If Fcale > 9.6 or Fcalc

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