Question

x chart is used for controlling _______ of the variable characteristics.

a) Range

b) Average

c) Dispersion

d) Fraction defective​

Answer 1

Answer:

avarge

Step-by-step explanation:

The standard chart for variables data, X-bar and R charts help determine if a process is stable and predictable. The X-bar chart shows how the mean or average changes over time and the R chart shows how the range of the subgroups changes over time. It is also used to monitor the effects of process improvement theories.