A simple demo of how to use MyLab's Statcrunch software to explore variation in data, and variation in sampled data. Introduces the concept that samples (sample statistics) can be reasonable estimates of population parameters. This means that if it's unfeasible to access the entire population (to determine the mean), sampling smaller groups can be an effective way to infer population parameters.
Variation in Sample Means vs Variation in actual data
A simple demo of how to use MyLab's Statcrunch software to explore variation in data, and variation in sampled data. Introduces the concept that samples (sample statistics) can be reasonable estimates of population parameters. This means that if it's unfeasible to access the entire population (to determine the mean), sampling smaller groups can be an effective way to infer population parameters.
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