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How probable is it that the differences between observed results and those expected on the basis of the null hypothesis have been produced by chance alone?
Point estimate : this sample statistic equals the population parameter
Interval estimate : the range of numbers we believe will include the population parameter
Statistical estimation allows for determination of the amount of uncertainty in the estimate
8.
Confidence Interval Two numerical values defining an interval that we believe, with an identified level of confidence, actually includes the estimated population parameter
9.
Calculation of Confidence Interval for the Mean
Determination of an acceptable confidence level a priori (1- )
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