WEEK 12-PROPORTION INFERENCE AND CHI SQUARE TESTS
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11 Terms
How to recognize if a question of interest involves proportions?
How and when to turn a question of interest into a chis-square statistical test?
What are the steps to conduct a chi square test for one way table? For a two way table? Discuss hypotheses, test statistics, p-values, and conclusions
What are the assumptions of chi square procedures? What happens when they are violated?
In what ways are chi square and z tests connected for proportions in 2×2 tables ?
What are the characteristics of the chi square sampling distribution of the sample proportion ? What are the characteristics of the difference in sample proportions distributions?
How to turn questions of interest into statistical tests regarding proportions ?
What are the steps associated with carrying out hypothesis tests involving proportions? Discuss test statistics, p values, appropriate conclusions?
How to carry out confidence interval calculations for proportions? How to interpret the intervals properly for proportions?
How to calculate margins of error from minimum sample sizes for proportions?
What are the assumptions of proportion procedures? What are the consequences if these assumptions are violated?