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It is thought that the mean length of trout in lakes in a certain region is...

  1. It is thought that the mean length of trout in lakes in a certain region is 20

Inches. A sample of 46 trout from one particular lake had a sample mean of 18.5 inches and a sample standard deviation of 4 inches. Conduct a hypothesis test at the 0.05 level to see if the average trout length in this lake is less than mu=20 inches.

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milcah answered 1 year ago
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