TABLE 17-1
A local newspaper has 10 delivery boys who each deliver the morning paper to 50 customers every day. The owner decides to record the number of papers delivered on time for a 10-day period for one of the delivery boys and construct a p chart to see whether the percentage is too erratic.
-Referring to Table 17-1, what is the numerical value of the center line for the p chart?
A) 0.926
B) 0.911
C) 0.885
D) 0.500

Question

TABLE 17-1
A local newspaper has 10 delivery boys who each deliver the morning paper to 50 customers every day. The owner decides to record the number of papers delivered on time for a 10-day period for one of the delivery boys and construct a p chart to see whether the percentage is too erratic. 
-Referring to Table 17-1, what is the numerical value of the center line for the p chart?
A) 0.926 
B) 0.911 
C) 0.885 
D) 0.500

Quizplus · Accepted Answer

The center line for the p chart is 0.926, which is the average proportion of nonconforming items in a sample.

TABLE 17-1 A Local Newspaper Has 10 Delivery Boys Who Each Deliver