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Brian has never given a speech to the audience he is speaking to, yet he is afraid they will think he's stupid. What is occurring?
Simple Random Samples
A subset of a population where every member has an equal chance of being selected, ensuring unbiased representation.
Standard Error
A measure of the sampling variability of an estimator, indicating the uncertainty around the estimate of a population parameter.
Variance
A statistical measure that represents the dispersion or spread of data points in a data set.
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