ASQ
CSSBB · Question #27
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 correct answer is B. no. See the full explanation below for the reasoning.
Analyze Phase
Question
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.
Exhibit
Options
- Ayes
- Bno
How the community answered
(34 responses)- A18% (6)
- B82% (28)
Topics
#paired t-test#hypothesis testing#two-sample comparison#hardness testing
Community Discussion
No community discussion yet for this question.