The presentation used here is based on 100 estimates of the size of the penguin population, which were produced from independently selected random samples of size 10. These are "typical" of what you would expect to get if another 100 samples of size 10 were selected: You would obtain a similar (but not exactly the same) pattern exhibited in the stem and leaf plot of estimates.
Though statistics textbooks might be more likely to use a "continuous" model to illustrate the idea of sampling distributions, this is a somewhat more concrete and accessible way to demonstrate the same concepts.
<< back to Part C: Investigating Variation in Estimates
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