Each day,a manufacturing company producing circuit boards will randomly sample 60 circuit boards for a period of 25 days and then determine and plot the number of defects contained in each of these boards.The appropriate control chart is a(n):
A)u-chart.
B)p-chart.
C)np-chart.
D)c-chart.

Question

Quizplus · Accepted Answer

The correct choice is a c-chart because it is used for monitoring the number of defects per unit when the number of opportunities for each defect is constant. In this scenario, the company is tracking the number of defects in a constant sample size (60 circuit boards), making the c-chart the appropriate tool.

Each Day,a Manufacturing Company Producing Circuit Boards Will Randomly Sample