http://digfir-published.macmillanusa.com/stat_tutor/ch_14_confidence_intervals_for_the_mean_mu.html
Chapter
1. Confidence Intervals for a Population Mean
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http://digfir-published.macmillanusa.com/stat_tutor/ch_14_confidence_intervals_for_the_mean_mu_dlap.xmlDLAP questions515047d2b11c0fda4f000000