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Time Study Accuracy: Computing Sample Size

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Question: A manager who is conducting a time study now needs an accuracy of +/=0.1 minutes, rather than +/=0.2 minutes as in the past. Because of this change in accuracy, the adequate sample size becomes:

A. 1/4 as large
B. 1/2 as large
C. 2x as large
D. 4x as large
E. none of the above.

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Solution Summary

The solution discusses time study accuracy.

Solution provided by:
Elisa Valdez, PhD
Education
  • Bachelor of Science in Business Administration, University of the Philippines
  • Master in Business Administration, Saint Mary's University
  • Doctor of Philosophy in Education, University of the Philippines
  • Doctor in Business Adminstration (IP), Polytechnic University of the Philippines
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