Refer to Scenario 3. The accuracy of a labor standard is to be within 5%, and the confidence level is 95% (Z = 1.96). What is the approximate sample size for Element 1?
Scenario 3
The data in the following table represent time-study observations on a new operation with three work elements.

Transcribed Image Text:

Observations (times in Seconds) 4 1 3 Element 10 11 15 10 13 11 15 12 11 14 3 13 11 2.