Explore BrainMass
Share

Standard deviation

Homework help from our online tutors - BrainMass.com

3(a) Daily samples of 100 power drills are removed from Tec Best's assembly line and inspected for defects. Over the past 21 days the following information contained in Table 1 has been gathered.

i. Develop a 3 standard deviation (99.7%) confidence p chart and graph the samples.
ii. Is the process in control?
iii. If not what do you think can be done?

(See attachment for rest0

© BrainMass Inc. brainmass.com September 18, 2018, 11:26 am ad1c9bdddf

Attachments

$2.19