Select one answer The histogram below is from a simulation of the difference bet

Question

Select one answer The histogram below is from a simulation of the difference between two population proportions. The mean and the standard error are calculated using o points the population proportion values and the sample size values Frequencies of difference in proportions -0.30 -0.20 -0.10 0.00 0.05 difference in proportions Which of the following is the best estimate of the standard error? A. The standard error is -o.15. B. The standard error is o.15. C. The standard error is -o.05. D. The standard error is o.05.

Explanation / Answer

mean is given by (-0.2+(-0.1))/2 which is -0.15 , thus one standard deviation from mean. or standard error is upper limit-mean= (-0.1-(-0.15)) or .05 . hence option D

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