Stats Solutions

[Step-by-Step] (Quality Control): 5 points Ten samples of size four were taken from a process, and their weights measured. The sample averages and sample

Question: (Quality Control): 5 points

Ten samples of size four were taken from a process, and their weights measured. The sample averages and sample ranges are in the following table. Construct and plot an X-bar and R-chart using these data. Is the process in control?

Sample 1 2 3 4 5 6 7 8 9 10
Mean 20.01 19.98 20.25 19.9 20.35 19.23 20.01 19.98 20.56 19.97
Range 0.45 0.67 0.3 0.3 0.36 0.49 0.53 0.4 0.95 0.79

Price: $2.99
Solution: The downloadable solution consists of 3 pages
Deliverable: Word Document


∴ Other downloads you may be interested in ∴

log in to your account

Forgot password?
Don't have a membership account?
REGISTER

reset password

Back to
log in

sign up

Back to
log in