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Assumption of F- Test
The theoretical assumption on which F test is based are:
1.The populations for each sample must be normally distributed with identical mean and variance.
2.All sample observation must be randomly selected and independent.
3. The ration of αa2 to α22 should be equal to or greater than. This is the reason that larger variance is divided by the smaller variance.
4. Since the F distribution is always formed by a ratio of squared values it can never be a negative number. All F distribution are unmoral and are skewed to the right. They tend to become more nearly symmetrical as V1 and v2 increase.
5.The total variance of the various sources of variance should be additive.
Total sum of squares = sum of squares between the groups + sum of squares within the groups.
Six Operators are to be assigned to five jobs with the cost of assignment in Rs. given in the matrix below. Determine the optimal assignment. Which operator will have no assignment
3. 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
Standard Deviation The standard deviation of samples (s) can be estimated by the pilot study past studies and the ranges of distribution. A pilot study may be conducted
An integer programming problem is identical to a linear programming problem except that one or more decision variables are constrained to take integer values. Such problems cannot
nature and types of problems
Maximize Z =3x+4x subject to x1+x2 =3 2x1+3x2 =4 x1,x2 =0
a. What do you mean by linear programming problem? Explain the steps involved in linear programming problem formulation? b. A paper mill produces two grades of paper viz., X and Y.
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 paper i
During busy times, 60 potential customers per hour arrive at the booth (assume a Poisson distribution). A booth worker takes 5 minutes, on average, to meet the information needs of
a question was given but i cannot identify the alternatives and i do not know how to calculate the right amount of payoff.what are the right ways to calculate the payoff table.
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