A Pilot Study Reveals a Wide Variation in Measurement Values

question 44

Multiple Choice

A pilot study reveals a wide variation in measurement values among subjects with an overall mean value that is higher than among the general population.By increasing the sample size in a subsequent study,the researcher expects to

• A) decrease the variation of scores among subjects.
• B) increase the variation of scores among subjects.
• C) decrease the mean value of scores among subjects.
• D) increase the mean value of scores among subjects.

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