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Variance is often used to measure quality in production-line products Suppose that a sample of steel rods that are supposed to be exactly 100 cm long is taken The length of each is determined


Variance is often used to measure quality in production-line products. Suppose that a sample of steel rods that are supposed to be exactly 100 cm long is taken. The length of each is determined, and the results are recorded. Calculate the variance and the standard deviation. Briefly describe what these statistics tell you.

Jun 19 2020 View more View Less

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