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Emergency room arrivals in a large hospital showed the statistics below for 2 months. At ? = .01, has the variance changed? Emergency room arrivals

Emergency room arrivals in a large hospital showed the statistics below for 2 months. At?= .01, has the variance changed?

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Emergency room arrivals in a large hospital showed the statistics below for 2 months. At a: .01, has the variance changed? Statistic March April Mean arrivals 177. 0775 170. 4580 Standard deviation 10. 68110 18. 60853 Days 31 30 (a) Choose the appropriate hypotheses. Assume 03,2 is the variance of the month March and 0132 is the variance of the month April. ' H0:0A2/032=1VS.H120A2/0321 H0: 0A2/OB2=1vs.H1: 0A2/032>1 H0: 0A2/ 032:1 vs. H1: 0A2 I 032 Q or Fcalc

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