True or False 2. As the length of a confidence interval increases, the degree of

Question

True or False
2. As the length of a confidence interval increases, the degree of confidence in its actually containing the population parameter being estimated (confidence level) also increases.

4. A 90% confidence interval for a population mean implies that there is a 0.90 probability that the true population mean will be contained in the confidence interval.

6. The point estimate of a population parameter is always at the center of the confidence interval for the parameter.

8. The larger the level of confidence, the shorter the confidence interval. _____.

10. If we change a 90% confidence interval estimate to a 95% confidence interval estimate, the width of the confidence interval will _____.

Explanation / Answer

2) True                                   

4) True                                   

6) True                                   

8) False                                   

10) Increase

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