BHS Statistics
Effect of Sample Size on Variability amongst Samples
September 7, 1999
The attached pages show collections of 2500 random samples. One collection contains samples of size 100. The other collections contain samples of sizes 200 400, 800, 1600, and 3200. Every sample was taken from a large population having .32 of it believing "yes" on a subject. (Each sample was replaced before selecting another). Use the attached sheets to complete this table.
Number of samples drawn: 2500
Population Percent: 0.32 (32%)
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100 | ||||
200 | ||||
400 | ||||
800 | ||||
1600 | ||||
3200 |
After completing the table:
What can you say about variability amongst samples of a given size in relation to sample size per se?