Exam1-Sample_Key

Exam1-Sample_Key - LCL = - 3 = 2.5 - 3 .2459(2.5) .9693 =...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
MGMT 405 Spring 2012 Key to Sample Exam 1 Part I: Multiple Choices C A D C B D B C C B Part II: Workout Problems 1. a. X-bar chart: CL = X = 32 UCL = X + 3 n c S 4 = 32 + 3 2.5 .9693(3) = 34.5792 LCL = X - 3 n c S 4 = 32 - 3 2.5 .9693(3) = 29.4208 S chart: CL = = 2.5 UCL = + 3 = 2.5 + 3 .2459(2.5) .9693 = 4.4027
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: LCL = - 3 = 2.5 - 3 .2459(2.5) .9693 = 0.5973 b. 4 .8597 X S SD c n = = When 30, = X is Normal (30, 0.8597) 1 ( | 30) (29.4208 34.5792 | 30) ( 0.674 5.326) 0.7486 1 ( ) 3.98 1 0.7486 P LCL X UCL P X P Z ARL = = = =- = = =-...
View Full Document

Ask a homework question - tutors are online