A Manager Who Is Conducting a Time Study Now Needs

question 130

Multiple Choice

A manager who is conducting a time study now needs an accuracy of ±0.1 minutes, rather than ±0.05 minutes as in the past. Because of this change in accuracy, the new required sample size becomes:

• A) one-fourth as large.
• B) one-half as large.
• C) twice as large.
• D) four times as large.
• E) one-tenth larger.