What is difference between null and alternative hypothesis

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Reference no: EM131444044

Question: 1. What role does the central limit theorem play in statistical hypothesis testing? In the construction of confidence intervals?

2. What is the difference between a null and alternative hypothesis? Among size, significance level, and power? Between a one-sided alternative hypothesis and a two-sided alternative hypothesis?

3. Why does a confidence interval contain more information than the result of a single hypothesis test?

Reference no: EM131444044

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