Statistics Economics Worksheet

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QUESTION 11 PointBased on the Central Limit Theorem, in which of the following situations will the sampling distribution of the sample mean NOT be normally distributed?

1. If we sample 40 scores from the distribution of SAT Math scores which is normally distributed with a mean of 500 and a standard deviation of 100
2. If we sample 14 grocery receipts from a distribution of all receipts with a mean of $128 and a standard deviation of $23.
3. If we sample 10 times from the distribution of all men’s 100m freestyle swim times which are normally distributed with a mean of 74s and a standard deviation of 1.3s.
4. If we sample 50 recent home sales from a distribution of all home sales in the local area with a mean sales price of $315,200 and a standard deviation of $4,700.
5. None; All of the above situations will have a normally distributed sample mean.
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