PLEASE ATTACH THE EXPLANATION TO EACH STEP.

CHAPTER 10 HUMAN RESOURCES, JOB DESIGN, AND WORK MEASUREMENT 437 CASE STUDIES Jackson Manufacturing Company The worker had a 115% performance rating. The task can Discussion Questions be performed in a sitting position at a well-designed ergonomic In your report to Ms. McFadden, you realize you will want to work-station in an air-conditioned facility. Although the arma- address several factors: ture itself weighs 10.5 pounds, there is a carrier that holds it so 1. How big should the sample be for a statistically accurate standthat the operator need only rotate the armature. But the detail ard (at, say, the 99.73% confidence level and accuracy of 5% )? The company has an established personal allowance of 6%. Delay 2. Is the sample size adequate? should be very low. Previous studies of delay in this department 3. How many units should be produced at this workstation per day? average 2%. This standard is to use the same figure. 4. What is the cost per unit for this task in direct labor cost? The workday is 7.5 hours, but operators are paid for 8 hours at an average of $12.50 per hour. Source: Professor Hank Maddux, Sam Houston State University