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The standard deviation of the population of IQ Scores is standardized to be 15 points. Calculate the standard error of the mean(nearest hundredth place) for:

The standard deviation of the population of IQ Scores is standardized to be 15 points. Calculate the standard error of the mean(nearest hundredth place) for: a. A sample of size of 81 (3pts) b. A sample size of 4 (3pts)

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