Question
Q#1. Out of Point Estimate (z- and t-test), Confidence Interval, and Hypothesis testing, which one is more powerful to infer sample data to population data?
Q#1. Out of Point Estimate (z- and t-test), Confidence Interval, and Hypothesis testing, which one is more powerful to infer sample data to population data? And Why?
Q#2. What are a p-value and significant level?
Q#3. What is a directional and non-directional hypothesis?
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College Algebra
Authors: Jogindar Ratti, Marcus S McWaters
2nd Edition
0321900014, 9780321900012
