Table 15-2 Given the Sample Results (100 Units in Each Sample)

Multiple Choice

Table 15-2
Given the sample results (100 units in each sample) :
-The c-chart is useful when we

A) take a number of measurements and compute the average.
B) take a number of measurements and compute the ranges.
C) find the fraction of the production lot defective.
D) find the number of defective items in a production lot.
E) None of the above