A company is interested in monitoring the average time it takes to serve its customers.An appropriate control chart would be
A) $\bar { X }$ -chart.
B) p-chart.
C) c-chart.
D) R-chart.

Question

Quizplus · Accepted Answer

The $\bar { X }$ -chart is used to monitor the average of continuous data, making it an appropriate choice for monitoring the average time it takes to serve customers. The other charts listed are used for monitoring categorical or count data.

A Company Is Interested in Monitoring the Average Time It Xˉ\bar { X }Xˉ

A Company Is Interested in Monitoring the Average Time It $\bar { X }$