Calculate the standard error of the mean

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A random sample of 10 high schools employed a mean number of guidance counselors of 3 and a standard deviation of 2. First calculate the standard error of the mean. Then calculate the 90% CI for the mean number of guidance counselors.

Reference no: EM131430349

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Calculate the standard error of the mean : A random sample of 10 high schools employed a mean number of guidance counselors of 3 and a standard deviation of 2. First calculate the standard error of the mean. Then calculate the 90% CI for the mean number of guidance counselors.

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