solve the multiple choices, giving an explanation for the material of Production and Operations Management:

1) XYZ inc, produces meter sticks that have a target length of 100 centimeters with upper and lower specification limits of 100.05 and 99.95 centimeters, respectively. Their existing process produces meter sticks with an average length of 99.97 centimeters and a standard deviation of 0.015 centimeters. what is their process capability index?

A) 0.83

B) 1.78

C) 0.44

D) 1.26

2) In Statistical process control, _____ are used to detect defects and determine if the process has deviated from design specifications

A) flowcharts

B) cause-and-effect diagrams

C) process capability charts

D) control charts

3) Which of the following is NOT one of the four primary scales of measurement?

A) Nominal scales

B) Random scales

C) Ordinal scales

D) Interval scales