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) a p-chart.
C) a c-chart.
D) an R-chart.

Question

Quizplus · Accepted Answer

The $ \bar{x} $ chart is the appropriate control chart for monitoring the average time it takes to serve customers. This chart tracks the mean of a process over time and is suitable for continuous data. The other charts (p-chart, c-chart, R-chart) are appropriate for discrete data and monitoring proportions, counts, and ranges respectively.

A Company Is Interested in Monitoring the Average Time It xˉ \bar{x} xˉ

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