Q 1.The standard error of the mean measures the dispersion of the sampling distribution of the sample mean.2.When deciding to collect sample information rather than collecting information from the population, the amount of time required to collect the information is unimportant. 3.For the sampling distribution of sample means, sampling error will decrease as sample size increases. 4.The mean of all possible sample means is equal to the population mean. 5.If 40 samples of size 21 were selected from a population of 22,493, we would expect the mean of the sample means and the population mean to be close but not exactly equal.

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