upper and lower limits, Mathematics

A critical dimension of the service quality of a call center is the wait time of a caller to get to a sales representative. Periodically, random samples of 6 customer calls are measured for time. Results from the last six samples of n = 7 are given in the following table.

17_11.png


a)    Management is willing to use 3-sigma limits. Using the factors in Table, justify upper and lower limits for mean and range charts.
b)    place sample means and ranges on their respective control charts. Is the process in control?

 

Posted Date: 3/19/2013 2:17:32 AM | Location : United States







Related Discussions:- upper and lower limits, Assignment Help, Ask Question on upper and lower limits, Get Answer, Expert's Help, upper and lower limits Discussions

Write discussion on upper and lower limits
Your posts are moderated
Related Questions
A function is a relation for which each of the value from the set the first components of the ordered pairs is related with exactly one value from the set of second components of t

convert 5000ml to liters

Consider an election with 721 voters. A) If there are 5 candidates, at least x votes are needed to have a plurality of the votes. Find x. B) Suppose that at least 73 votes are n

Dividing Whole Numbers: Example: Divide 347 by 5. Solution:                      Beginning from the left of the dividend, the divisor is divided into the

If coefficients of the equation ax 2 + bx + c = 0, a ¹ 0 are real and roots of the equation are non-real complex and  a + c (A) 4a + c > 2b (B) 4a + c Please give t

#questiThe net profit in an appliance department for the spring /sumeer was $20,000 which represented 2% of net sales. Operating expenses total $480,000 find dollar amount of gross

Derivatives of Hyperbolic Functions : The last set of functions which we're going to be looking at is the hyperbolic functions.  In several physical situations combinations of e

Calculate the value of the following limits. Solution To remind us what this function such as following the graph. hence, we can see that if we reside to the r

Under this section we're going to go back and revisit the concept of modeling only now we're going to look at this in light of the fact as we now understand how to solve systems of

1/8 of the passengers of a train were children.If there were 40 children travelling in the train on a certain day,how many adults were there in that train that day?