If statistical estimation of sample size is at all attempted,it should be realized that the estimates of the population variance don't vary from country to country.

Name: If statistical estimation of sample size is at all attempted,it should be realized that the estimates of the population variance don't vary from country to country.
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Quizplus · Accepted Answer

The estimates of population variance do vary from country to country due to differences in the characteristics and variability of the population being studied.

If Statistical Estimation of Sample Size Is at All Attempted,it