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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.
Making Decision Lastly a decision should be arrived as to whether the null hypothesis is to be accepted or rejected. In this regard the value of the test statistic
regression line drawn as Y=C+1075x, when x was 2, and y was 239, given that y intercept was 11. calculate the residual
Determining Degrees of Freedom One of the prerequisites for using chi square test is that we should calculate the number of degrees of freedom for the contingency table. T
b. A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y pape
application&techniques
Solve by simplex method Maximize Z = 5x 1 + 3x 2 Subject to 3x 1 + 5x 2 ≤ 15 5x 1 + 2x 2 ≤ 10 & x 1 ≥ 0, x 2 ≥ 0 [Ans. Max Z = 235/19
Cases are generally based on certain issues and problems. Diagnostic, analytical and decision making skills help in case solution. A case study or case based assessment is designed
Limitation The report should also point out the main limitation of the research reported therein. This will be helpful to the reader who can form his own opinion
Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X 1, X2 = 0
describe the problems of operation management
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