3, Which has a larger related alpha level, a 95% or 99% confidence interval? Why

Question

3, Which has a larger related alpha level, a 95% or 99% confidence interval? Why? 4, which has a larger range of values, 95% or 99% confidence intervals? Why? 5. If you fail to reject the null hypothesis when it is, in fact, false, what type of error is this c 6. If you reject the null hypothesis when it is, in fact, true, have you made an error? If so, whi one? 7. If you reject the null hypothesis when the null hypothesis is false, have you made an error? It so, which one? 8. What's wrong with the following statements? A Type I error of .05 means that in 5 out of 100 tests of the research hypothesis, I will a. 3 5 6 8 0

Explanation / Answer

Answer to the question is as follows:

3. alpha = 1-confidence level or Confidence interval level + alpha = 1. Hence, lower confidence level means higher alpha. So, 95% confidence interval is higher alpha of .05. 99% confidence interval level will have just .01 alpha

4. 99% confidence interval will have wider confidence interval because its margin of error is wider.

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