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Show work please 4. The number of square feet per house have an unknown distribution with mean 1900 and standard deviation 21 1 square feet.

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Show work please

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4. The number of square feet per house have an unknown distribution with mean 1900 and standard deviation 21 1 square feet. A\\ sample. with size n - 40, was randomly drawn from the population. Using the Central Limit Theorem for Means and rounding answers to two decimal places; a) What is the sample mean? by What is the sample standard deviation

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