Determine two-sigma control limits using the given data

Assignment Help Operation Management

Reference no: EM131919031

The postmaster of a small western town receives a certain number of complaints each day about mail delivery.

DAY	1	2	3	4	5	6	7	8	9	10	11	12	13	14
Number of complaints	4	11	16	8	9	6	5	14	15	7	6	4	2	11

a. Determine two-sigma control limits using the above data. (Round your intermediate calculations to 4 decimal places and final answers to 3 decimal places. Leave no cells blank - be certain to enter "0" wherever required. Round up any negative control limit value to zero.)

UCL

LCL

b. Is the process in control?

Yes

Reference no: EM131919031

Questions Cloud

Expect the z-score of observed value : You have an observed value x=56. Without performing any calculations. Would you expect the Z-score of this observed value to be?

Discuss which social-control strategies could be implemented : Post your own thoughts regarding these questions and, when responding to classmates, note how their ideas compare and contrast with your own.

Determine anticipated flow time : Using Little's Law, determine anticipated flow time and compare it with the expected flow time. Keeping the flow times and throughputs constant.

Interpolation by selecting the closest value : If the exact area is not in the body of the? table, avoid interpolation by selecting the closest value. If a desired value is midway between two table? values

Determine two-sigma control limits using the given data : Determine two-sigma control limits using the above data. (Round your intermediate calculations to 4 decimal places and final answers to 3 decimal places.

How to change the operation of the process of concern : If management wants to promise its customers an average wait time in the system of no more than 24 hours, what recommendations would you provide management.

Find the expected repair cost : In addition to determining the distribution of Y, find the expected repair cost, i.e. E(X).

What do the customers want from evergreen : What do the customers want from Evergreen? What types of problems do the existing customers pose for Evergreen? Why?

Create a class that asks the user for the number of rows : Create a class that asks the user for the number of rows and the number of columns, and prints out a design.

User Account

All Pages