Calculate the ucl and lcl for the x bar and r chart

Assignment Help Operation Management

Reference no: EM13107591

Checkout time at a supermarket is monitored using a range and mean chart. Six samples which contain 20 observations per sample have been collected and the sample means and sample ranges have been computed as shown below:

Sample	Mean	Range
1	3.05	0.42
2	3.01	40.44
3	3.11	0.39
4	3.45	0.49
5	4.11	0.53
6	3.09	0.45

Determine the UCL and LCL for the X-Bar and the R-Chart for the sample size of 6.

Reference no: EM13107591

Questions Cloud

Chi square and f distribution : Each F-distribution is identified by two numbers of degrees of freedom, one for each of the two samples involved.

Decisions on product development : Arnold is the chief executive officer of the Beta Corporation. Arnold's responsibilities comprise decisions on product development, marketing and other significant business directions.

Compute the ph of a solution : Compute the pH of a solution made by mixing 67 grams of sodium acetate, NaCH 3 COO, to 37 g of acetic acid, CH 3 COOH, and dissolving in H 2 O to form 300. mL of solution ?

Make a new solution with a total volume : Make a new solution with a total volume of 10.0 mL and How many moles are contained in 500.0 mL of solution

Calculate the ucl and lcl for the x bar and r chart : Checkout time at a supermarket is monitored using a range and mean chart. Six samples which contain 20 observations per sample have been collected and the sample means.

Planning for the upcoming year''s budget : If the figures are in by the end of the month we will hopefully be able to begin planning for the upcoming year's budget however if they aren't then the planning process

What influences the exchange relationship : What influences the exchange relationship when the customer doesn't particularly want to BE a customer example- funeral services, diabetic equipment?

Production management how much does it presently cost : Production management how much does it presently cost the university to provide police services for football games?

Us dollar on the foreign exchange markets : Over the last decade numerous foreigners firms have invested in China and used their Chinese factories to produce goods for export. If the Yuan is allowable to float freely against the US dollar on the foreign exchange markets

User Account

All Pages