Suppose That a Textile Manufacturer Finds Is an Average of 5.5

Multiple Choice

Suppose that a textile manufacturer finds is an average of 5.5 defects per 100 square foot sections of carpet as part of its quality assurance program.The lower and upper control limits for the appropriate control chart for these data are ________________________ .

A) 0 and 7.688
B) 0 and 10.986
C) 0 and 12.536
D) 2.0 and 9.0
E) 2.567 and 12.536