Question 1
The accuracy of a labour standard is to be within 5%, and the confidence level is 95%. The standard deviation of the sample is 2 and the mean is 8. What sample size should be used?
◦ 96
◦ 10
◦ 8
◦ 127
◦ cannot be determined from the information given
Question 2
Which of these is the most common predetermined time standard?
◦ RCH
◦ TMU
◦ CSD
◦ MTM
◦ SAE