A quality analyst wants to construct a control chart for determining whether three machines, all producing the same product, are in control with regard to a particular quality variable. Accordingly, he sampled four units of output from each machine, with the following results

What is the sample mean for machine #1?
A)15
B)16
C)17
D)21
E)23

Question

A quality analyst wants to construct a control chart for determining whether three machines, all producing the same product, are in control with regard to a particular quality variable. Accordingly, he sampled four units of output from each machine, with the following results

What is the sample mean for machine #1?

What is the sample mean for machine #1?
A)15 
B)16 
C)17 
D)21 
E)23

Quizplus · Accepted Answer

The Answer of A quality analyst wants to construct a control chart for determining whether three machines, all producing the same product, are in control with regard to a particular quality variable. Accordingly, he sampled four units of output from each machine, with the following results

What is the sample mean for machine #1?
A)15 
B)16 
C)17 
D)21 
E)23

A Quality Analyst Wants to Construct a Control Chart for Determining