Explaining difference in variances and decision rule

Reference no: EM1312263

Q1) Sample of twenty five concession stand buys at the October 22 matinee of Bride of Chucky illustrated a mean purchase of $5.29 with the standard deviation of $3.02. For October 26 evening illustrating of same movie, for sample of 25 buys the mean was $5.12 with a standard deviation of $2.14. Means appear to be very close, but not variances. At α = .05, is there a difference in variances? Illustrate all steps clearly, including the illustration of the decision rule.

Reference no: EM1312263

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