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Can someone provide me an explaination on this? I really need a...

Can someone provide me an explaination on this? I really need a help for my Statistical Analysis for IE subject. Thank you so much. I would greatly appreciate it.

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1. Explain the difference between a one-tailed and a two-tailed test. 2. Explain what is meant by a significant difference. 3. In hypothesis testing, why can't the hypothesis be proved true? 4. Why is a proportion considered a binomial variable? 5. Explain the difference between testing a single mean and that of between two means. 6. Why is the critical region always on the right side in the use of the F test? 7. Classify each as independent or dependent samples: 7.1 Heights of identical twins 7.2 Test scores of the same students in Calculus and Statistics 7.3 The effectiveness of 2 different brands of Covid vaccines on 2 different groups of people 7.4 Effects of a drug on reaction time of 2 different groups of people, measured by a before-and-after test 7.5 The effectiveness of 2 different diets on 2 different groups of individuals

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