Question: The data in the file below represent the cost per ounce, a sample of chocolate and macadamia nut bars. 2224251414247716141817111515161419191810 Construct 95% confidence interval for

  1. The data in the file below represent the cost per ounce, a sample of chocolate and macadamia nut bars.

2224251414247716141817111515161419191810

  1. Construct 95% confidence interval for the population mean cost, per ounce in chocolate and macadamia nut bars.
  2. Interpret the interval constructed in (a).
  3. What assumptions must you make about the population distribution in order to construct the confidence interval estimated in (a)

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