8. The weights of people in a certain population are normally distributed with m

Question

8. The weights of people in a certain population are normally distributed with mean of 1541b and standard deviation of 23lb, Determine the mean and the standard deviation of sampling distribution of the mean for the samples of size 4 9. One truck from Lakewood Trucking, Inc. can carry a load of 2959.2, Records show that the weights of boxes that it carries have mean 78lb and standard deviation 121n. For samples of size 36, find the mean and the standard deviation of the sample means 10. Find b, given that P(X

Explanation / Answer

11) A option

The relationship between sampling error and sample size is simple: As the sample size increases, the sampling error decreases. This relationship is called an inverse because the two move in opposite directions.

The biggest techniques for reducing sampling error are:

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