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Problem 2 The Manager at Brackley Fun Park advertises that the typical family visiting the park...

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Statistics

Problem 2

The Manager at Brackley Fun Park advertises that the typicalfamily visiting the park spends at least one hour in the parkduring weekends. A sample of 35 visitors during the weekends in themonth of July revealed that the mean time spent in the Park was 62minutes with a standard deviation of 8 minutes.

  1. Using the 0.01 significance level and a one-tailed test, is itreasonable to conclude that the mean time in the Park is greaterthan 60 minutes? Show all steps in your test ofhypothesis.
  2. Repeat the analysis at the 0.05 significance level. (You mayshow only the calculations that change).
  3. Repeat with a survey mean of 65 minutes at the .01 significancelevel. (You may show only the calculations that change).
  4. What do you conclude from your analysis?

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