February 13
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February 13
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** Using the t proceedures CAUTIONS<br />
* except in the case of small samples, the assumption that<br />
the data are from an SRS is more important than the<br />
assumption that the population distribution is normal<br />
* Sample size < 15.<br />
NO OUTLIERS, NORMAL POPULATION<br />
* Sample size ≥ 15.<br />
NO OUTLIERS, NO STRONG SKEW<br />
* Large sample size (n > 30)<br />
NO OUTLIERS<br />
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