Fifty samples of size 500 were drawn from a manufacturing process and the number of defectives in each sample was counted. The average of the sample proportion was 0.032. At which of the following values would the centreline for the p chart be located?
A) 0.032
B) 0.512
C) 0.968
D) 16.0

Question

Quizplus · Accepted Answer

The centerline for a p chart is calculated as the average of the sample proportions, which is given as 0.032. Therefore, the centerline would be located at 0.032. The other options are not relevant in this case.

Fifty Samples of Size 500 Were Drawn from a Manufacturing