Practice Exam 2 (ISA 225)
For Questions 1-11, consider Model 1 below (Number of Recruits vs. Parties Thrown by Fraternity over the previous year). Context: Crammer Nation University is wanting … Read More
Practice Exam 1 – ISA 225
Put simply: there’s three categories of problems that you need to be ready to face on your exam. Within each of those three categories, you … Read More
Question #11 Explanation | Chi Square – Independence (Hypothesis Test)
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Question #10 Explanation | Chi Square – Goodness of Fit (Hypothesis test)
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Question #6 Explanation | Two-mean t-test (Confidence interval)
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Question #9 Explanation | Two-mean t-test (Hypothesis test)
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