R-charts measure changes in
A)central tendency.
B)degree of variation.
C)number of defects per production lot.
D)natural variations.
E)None of the above

Question

Quizplus · Accepted Answer

R-charts are used to measure changes in the degree of variation in a process. They plot the range between the highest and lowest data points in each sample over time, allowing for identification of increases or decreases in variability.

R-Charts Measure Changes in