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A researcher knows that the variance o- in height for a large population of 20-year-old farmed pine trees is 3.3m. She finds that the sample

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A researcher knows that the variance o- in height for a large population of 20-year-old farmed pine trees is 3.3m. She finds that the sample mean of 20-year-old pine tree heights from a sample of 15 is 7.6m. a) Calculate the 95% confidence interval for u by hand. b) Verify your results using Matlab. Copy and paste the code/script here. c) Correctly interpret the meaning of the confidence interval

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