Question: 9. If we increase the sample size from 10 to 20, the standard error of the mean will . (increase, decrease, stay the same, or

9. If we increase the sample size from 10 to 20, the standard error of the mean will . (increase, decrease, stay the same, or the result is not predictable) 10. If a population follows the normal distribution, what will be the shape of the distribution of sample means?

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