STA 100 Post Midterm 2 Content Exam questions and answers Graded A+ latest update
STA 100 Post Midterm 2 Content Exam questions and answers Graded A+ latest update Why do we do Goodness of Fit Test? -If categorical RV has 2 or more categories, we want to know if the observed proportions are equal to some hypothesized proportions For chi squared GOF test, what is the H0 and HA? -H0; p(cat 1) = p1, and ..... and p(cat k) = pk; HA: at least 2 cat differ from H0 What is oi in GOF test? -Observed count in category i What is ei in GOF test? -Expected count in category i if H0 is true; ei=n*pi; do not round What type of test is chi squared always? -
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sta 100 post midterm 2 content exam questions and