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#11 11. The research on all army recruits is that the average age is 19 with a standard deviation of 2. A random sample of

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11. The research on all army recruits is that the average age is 19 with a standard deviation of 2. A random sample of 200 recruits revealed the average age to be 21 with a standard deviation of 5. Find the following values at 0.6 points each. a. su C. D= . sample variance = e. sample mean =

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