| http://digfir-published.macmillanusa.com/hm_custom_osu/hmumississippi_stratton50997f12_lab1.html | Chapter 2. Modeling, Hypothesis Testing, and Measurement
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| http://digfir-published.macmillanusa.com/hm_custom_osu/hmumississippi_stratton50997f12_lab1_dlap.xml | DLAP questions | 5194e550b11c0f2e20000000 |