A statistical procedure in which the number of defective items found in a sample is used to determine whether a lot should be accepted or rejected is called _____.
a. statistical process control
b. acceptance sampling
c. quality assurance
d. a control chart
Question 2
Linear trend is calculated as Tt = 28.5 + .75t. The trend projection for period 15 is
a. 11.25
b. 28.50
c. 39.75
d. 44.25