Create p-charts.
-In order to achieve higher levels of customer satisfaction, a company initiates
Monitoring the complaint resolution process of its customer service representatives. As a
First step, the company decides to collect data on the number of unanswered calls out of
The first 250 incoming calls to its call center made each day. At the end of monitoring 25
Days, it was found that a total of 500 incoming calls went unanswered. The control limits
For the p-chart of these data are
A) 0.029 and 0.131
B) 0 and 0.304
C) 0.066 and 0.094
D) 0.048 and 0.112
E) None of the above

Question

Quizplus · Accepted Answer

The control limits for a p-chart are calculated as follows:UCL = p + 3√(p(1-p)/n)LCL = p - 3√(p(1-p)/n)where p is the sample proportion and n is the sample size.In this case, p = 500/2500 = 0.2 and n = 250. Therefore, the control limits are:UCL = 0.2 + 3√(0.2(1-0.2)/250) = 0.131LCL = 0.2 - 3√(0.2(1-0.2)/250) = 0.029

Create P-Charts. -In Order to Achieve Higher Levels of Customer Satisfaction, a Satisfaction