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Chi square Test for the Population variance
When we want to test that a random sample has been drawn from a normal population having specified variance then X2 statistic under the null hypothesis for the random sample of n size will be.
X2 = ∑ (X- x¯) / = ns2/
With (n-1) = Degree of freedom
where S2= sample variance
X2= population variance
N= sample size
This value of X2 will be compared with the table value at (n-1) degree of freedom at certain level of significance for accepting or rejecting null hypothesis.
Solve the following Linear Programming Problem using Simplex method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0
Operation research is only a Tool of Analysis and Not the Complete Decision making Process: It should always be kept in mind that O. R alone cannot make the final decision . it
With practical example
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advantage of quality circle process
This assignment requires you to evaluate a product from the view point of quality, both quality of design (as perceived by the user) and quality of conformance. To ensure that we a
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1 strategic implication of product and process decisions 2 process planning and design 3 work measurement
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