Math 3020 lesson 11

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Last updated 6:26 PM on 7/27/26
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7 Terms

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sampling distribution

The probability distribution of a statistic (calculated from a sample)

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Sample statistics vary

so they also have distributions

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We need to understand their distribution

to know whether what we observe is unusual or not

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Sampling Distribution is EXACTLY normal

if the population is normal

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Sampling Distribution is APPROXIMATELY normal

if the population is not normal and n >= 30

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random sample.

A set of independent random variables X1, X2,Xn with the same distribution is called

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