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31 August, 20:22

A study was conducted to investigate whether the mean numbers of snack bars sold at two airport convenience stores, C and D, were different. For ten randomly selected days, the number of snack bars sold at each store was recorded, and the sample mean number of snack bars for each store was calculated. A two-sample t-test for a difference in means will be conducted. Have all conditions for inference been met?

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Answers (2)
  1. 31 August, 23:02
    0
    No, the sample sizs are greater than 10 percent of the population
  2. 1 September, 00:11
    0
    No, the sample sizes are not large enough to assume normality of the sampling distribution.
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