Discussion:
Q: A local newspaper has 10 delivery boys who each deliver the morning newspaper to 50 customers every day. The owner decides to record the percentage of papers delivered on time for a 10-day period and construct a p chart to see whether the percentage is too erratic.
|
Day
|
Percentage of Papers Delivered on Time
|
|
1
|
91.6
|
|
2
|
89.4
|
|
3
|
92.8
|
|
4
|
90.0
|
|
5
|
86.4
|
|
6
|
96.8
|
|
7
|
91.4
|
|
8
|
98.8
|
|
9
|
95.2
|
|
10
|
93.6
|
Referring to the table, what is the numerical value of the center line for the p chart?
- 0.926
- 0.911
- 0.885
- 0.500