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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.
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?
what is the answer
Prove that one of every three consecutive integers is divisible by 3. Ans: n,n+1,n+2 be three consecutive positive integers We know that n is of the form 3q, 3q +1, 3q +
Hypothesis Testing Procedure Whenever a business complaint comes up here is a recommended procedure for conducting a statistical test. The reason of such a test is to establish
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The locus of the midpoint of the chords of an ellipse which are drawn through an end of minor axis is called
what is principle of marketing?
1. Let R and S be relations on a set A. For each statement, conclude whether it is true or false. In each case, provide a proof or a counterexample, whichever applies. (a) If R
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why we use decision making using minimization of regret method in uncertainty?
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