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If the Sampled Population Is Exactly Normally Distributed,then the Sampling

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If the sampled population is exactly normally distributed,then the sampling distribution of If the sampled population is exactly normally distributed,then the sampling distribution of   is also expected to be normal,regardless of the sample size. is also expected to be normal,regardless of the sample size.


Definitions:

Variance

A statistical measure of dispersion that shows how much values in a data set differ from the mean.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from the mean, used to assess the spread of a data distribution.

Statistics

Calculated numbers that summarize data and relationships among variables in a sample.

Z-score

A numerical measurement that describes a value's relationship to the mean of a group of values, expressed in terms of standard deviations from the mean.

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