After Computing a Confidence Interval, the User Believes the Results

question 103

Multiple Choice

After computing a confidence interval, the user believes the results are meaningless because the width of the interval is too large. Which one of the following is the best recommendation?

• A)Increase the level of confidence for the interval.
• B)Decrease the sample size.
• C)Increase the sample size.
• D)Reduce the population variance.

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