What investigator do after computing confidence interval

Reference no: EM13123586

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) reduce the population variance.
D) none of these
E) increase the sample size.

Reference no: EM13123586

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