Mathematics, 28.02.2020 23:51 icantspeakengles

I collect a random sample of size n from a population and from the data collected compute a 95% confidence interval for the mean of the population. Which of the following would produce a new confidence interval with larger width (larger margin of error) based on these same data?

A. Use a higher confidence level.
B. Use a lower confidence level.
C. Use the same confidence level but compute the interval n times. Approximately 5% of these intervals will be larger.
D. Nothing can guarantee absolutely that you will get a larger interval. One can only say the chance of obtaining a larger interval is 0.05.

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