GAQM Related Exams
CLSSBB Exam
A team wants a technique for obtaining a large number of possible reasons for excess variation in a dimension. They should use:
An engineer wants to try two hardening ovens to see whether they have different hardness scores. She cuts 8 pieces of bar stock in half, putting half of each in oven A and the other half in oven B. The following data are collected:
Do the data indicate that the ovens have different average scores? Assume differences are normally distributed.