After computing a confidence interval, the investigator believes that the results are meaningless because the width of the interval is too large.In reconstructing the interval, the investigator should ________________________ .
A)decrease the sample size
B)increase the level of confidence
C)increase the sample size
D)reduce the population variance
E)none of the above

Question

Quizplus · Accepted Answer

Increasing the sample size can help reduce the width of the confidence interval, making the results potentially more meaningful by providing a more precise estimate of the population parameter.

After Computing a Confidence Interval, the Investigator Believes That the Results