Intro to Hypothesis Testing
Intro to Hypothesis Testing Q1. Framework for weight loss A group of people have volunteered to try out a diet for weight loss for 3 months. How should the null and alternate hypotheses be set up? A. H0: Diet increases weight; Ha: Diet has no impact on weight B. H0: Diet reduces weight; Ha: Diet has no impact on weight C. H0: Diet has no impact on weight; Ha: Diet reduces weight D. H0: Diet has no impact on weight; Ha: Diet increases weight Correct Answer: H0: Diet has no impact on weight; Ha: Diet reduces weight Explanation: In hypothesis testing, H0 (the null hypothesis) typically represents the status quo or no effect, while Ha (the alternative hypothesis) represents the effect or change you want to test. In this case, the null hypothesis (H0) assumes that ...