The local newspaper receives several complaints per day about typographic errors. Over a seven-day period, the publisher has received calls from readers reporting the following number of errors: 4, 3, 2, 6, 7, 3, and 9. Based on these data alone, what type of control chart(s) should the publisher use?
A) p-chart
B) c-chart
C) $\bar { X }$ -chart
D) R-chart
E) $\bar { X }$ - and R-charts

Question

Quizplus · Accepted Answer

The correct choice is a c-chart because it is used for monitoring the number of defects per unit and the data provided represents counts of defects (typographic errors) per day, which fits the application of a c-chart.

The Local Newspaper Receives Several Complaints Per Day About Typographic Xˉ\bar { X }Xˉ

The Local Newspaper Receives Several Complaints Per Day About Typographic $\bar { X }$