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FBI data show that crime is continually increasing.
Sample Mean
The average of all the observations in a sample, used as an estimate of the population mean.
Central Limit Theorem
A statistical theory stating that, given a sufficiently large sample size from a population with a finite level of variance, the mean of all samples will be approximately equal to the mean of the population, with the samples approximating a normal distribution.
Statistical Inference
The process of drawing conclusions about population properties based on a sample taken from the population.
Sample Proportion
The fraction or percentage of items in a sample that exhibit a particular trait or characteristic.
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