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solve them please American University of Technology 5- (15 points) consider the following sample dataset: 4, x, 8, 7, 2 You are told that the

solve them please

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American University of Technology 5- (15 points) consider the following sample dataset: 4, x, 8, 7, 2 You are told that the value of the sample mean is 5 i. Calculate the value of x. (5 points) i. Find the sample variance and standard deviation. (10 points)

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