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Midterm

# Hypotheses for k categories, test statistic

2 Pages
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Department
Statistics
Course
STAT 301
Professor
Brett Hunter
Semester
Fall

Description
24 October Analysis of Categorical Data So far we have performed hypothesis tests on categorical variables with only two categories (levels). How do we handle categorical variables with more than 2 categories? Question of Interest How well does the observed data fit with what we expect it to be like? We conduct a Goodness of Fit Test Before conducting a study, we must have an expected proportion for each category. We use this proportion to find the expected number of observations in each category. After conducting a study, each category will have an observed proportion and an observed number of observations. Based on the observed counts, can we conclude that our expected counts are correct, or is there evidence to conclude that the expected counts are incorrect? Hypotheses for k categories We assume expec
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