Examlex
In analyzing the sampling distribution of a proportion, doubling the sample size will cut the standard deviation of the sampling distribution in half.
Tchebysheff's Theorem
A statistical theorem stating that for any distribution, a minimum proportion of observations lies within any given number of standard deviations from the mean.
Standard Deviations
A measure of the dispersion or variation in a distribution, indicating how spread out the values are from the mean.
Frequency Table
A table that displays the frequencies of different data categories, showing how often each category occurs in the dataset.
Mound-Shaped Distribution
Another term for a normal distribution, characterized by its bell-shaped curve that is symmetrical around the mean.
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