In the box below, describe the circumstances under which we can assume that the sampling distribution of the mean is close to normal. Consider sample size and shape of the population distribution in your answer. Can we be confident that the sampling distribution is close to normal if the sample size is greater than 30?

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Congratulations! You have finished the tutorial. Now you may go on to download and answer the follow-up questions. You may also want to complete the Sampling Distribution of the Meantutorial to further explore how the sample size in particular affects the accuracy of sample means.

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