B) the goods at the production facility before they reach the customer
C) the design specifications
D) goods at the supplier’s plant
E) one’s own work
A woodworker is concerned about the quality of the finished appearance of her work. In
sampling units of a split-willow hand-woven basket, she has found the following
number of finish defects in ten units sampled: 4, 0, 3, 1, 2, 0, 1, 2, 0, 2.
a. Calculate the average number of defects per basket
b. If 3-sigma control limits are used, calculate the lower control limit, centerline, and
upper control limit.
A worker completed a job 10 times during a period in which a normal, trained
employee completed the task 8 times. What is the worker’s performance rating?
A) 125%
B) 150%
C) 100%
D) 112.5%
E) cannot be determined with given information