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stats question 3. Suppose that n measurements are to be taken under a treatment condition and another n measurements are to be taken independently under

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3. Suppose that n measurements are to be taken under a treatment condition and another n measurements are to be taken independently under a control condition. It is thought that the standard deviation of a single observation is about 10 under both conditions. How large should n be so that a 95% confidence interval for yx My has a width of 2? Use the normal distribution rather than the tdistribution

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