答案和详解如下： 23、Correct answer is D "Sampling and Estimation," Richard A. Defusco, Dennis W. McLeavey, Jerald E. Pinto, and David E. Runkel 2008 Modular Level I, Vol. 1, pp. 439-441 Study Session 3-10-e calculate and interpret the standard error of the sample mean The standard error of the sample mean is equal to the population standard deviation divided by the square root of the number of companies in the sample. $4,200,000 / 7 = $600,000.
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发表于 2008-12-4 23:50
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