Quicke lube has been monitoring its customer service

Assignment Help Operation Management

Reference no: EM132231045

QuickE Lube has been monitoring its customer service times over the past 5 days. Each day they took a sample of 12 customers and recorded the actual service times for those customers. The table below shows the sample mean and sample range for each of the 5 past samples. Sample 1 2 3 4 5 Mean 20.2 18.6 19.4 22.0 21.8 Range 4.1 0.8 3.2 2.9 1.0 What are the three-sigma lower and upper control limits the company should use to construct an R-chart for this service time data? Refer to the table in the intructions at the top of the page. a. LCL = 0.00, UCL = 5.06 b. LCL = 0.67, UCL = 5.06 c. LCL = 0.00, UCL = 4.13 d. LCL = 0.67, UCL = 4.13.

Reference no: EM132231045

Questions Cloud

What is the average number of customers in the system : what is the average number of customers in the system? what is the average number of customers in the line?

Different recruitment sources-techniques-methods : Design a recruiting system utilizing at least three different recruitment sources/techniques/methods.

Many styles and designs notably depicting the traditional : He produces dolls and many styles and designs notably depicting the traditional Jamaican high school uniforms.

High potential employees in global workforce : 3M created 8 clusters among 3500 high potential employees in a global workforce of 85,000.(SHRM).

Quicke lube has been monitoring its customer service : QuickE Lube has been monitoring its customer service times over the past 5 days.

Aseptic technique practices for central venous catheter care : Evidence has shown that aseptic technique practices for central venous catheter (CVC) care,

Learning and thinking about information systems : Define how you can use the Five Component model to guide your learning and thinking about information systems.

Components of your organization strategic planning process : Your insight about and explanation of how the components of your organization’s strategic planning process are supported by the initiative that you selected.

Compete against other global competitors like starbucks : Investigate how you would become a global competitor that would enable you to compete against other global competitors like Starbucks.

User Account

All Pages