Running a more precise experiment

Reference no: EM1395523

A researcher has reason to believe that, for an experiment with 50 points, a 95% prediction interval would be of width 4. If the researcher wishes to run a more precise experiment that will result in a 95% prediction interval of width 2, then the researcher will require:

A) 200 points

B) 50 points

C) More than 200 points

D) 25 points

Reference no: EM1395523

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