A design engineer measured the service life of a halogen headlamp his company produces. On three recent production batch

Business, Finance, Economics, Accounting, Operations Management, Computer Science, Electrical Engineering, Mechanical Engineering, Civil Engineering, Chemical Engineering, Algebra, Precalculus, Statistics and Probabilty, Advanced Math, Physics, Chemistry, Biology, Nursing, Psychology, Certifications, Tests, Prep, and more.
Post Reply
answerhappygod
Site Admin
Posts: 899603
Joined: Mon Aug 02, 2021 8:13 am

A design engineer measured the service life of a halogen headlamp his company produces. On three recent production batch

Post by answerhappygod »

A design engineer measured the service life of a halogen
headlamp his company produces. On three recent production batches,
he tested service life on random samples of four headlamps each.
sample Service life (hours) 1 525 515 505 655 2 555 575 610 400 3
590 580 450 600 What is the LCL for the mean control chart, using
3-sigma control limits? 422.56 373.27 720.07 None of the other
choices are correct 670.77
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!
Top
Post Reply

Return to “Archived Questions & Answers”