Example 1: The population from which samples are selected is {1,2,3,4,5,6}. This population has a mean of 3.5 and a standard deviation of 1.70783. The next display shows a histogram of the population.

Modified efficiency comparisons, which take into consideration the fact that the expected number of distinct units in a with-replacement sample need not be an integer, are made for the same expected ...

(1) Simple random sampling is usually done without replacement (so there is no chance of the same individual appearing twice in the sample). In this case, there is a ...