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A sample of 25 concession stand buys at the October 22 matinee of Bride of Chucky showed the mean purchase of $5.29 with standard deviation of $3.02. For the October 26 evening showing of same movie, for a sample of 25 purchases the mean was $5.12 with standard deviation of $2.14. The means appear to be very close, but not variances. At α = .05, is there a difference in variances? Show all steps clearly, comprising an illustration of the decision rule

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