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Cost The cost factor is a very important factor in determining the size of the sample. The budget for research should be properly decided. The management may not lik
Uses of Mode The use of the mode is recommended in the following situations: a.When a quick and approximate measures of central tendency desired. b.When the measure
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Minimization Example A farmer is advised to utilize at least 900 kg of mineral A and 1200 kg of mineral B to increase the productivity of crops in his fields.
Tied Ranks Equal or Repeated Rank When two or more items have equal values it is difficult to give ranks to them. In that case the items are given the average of the
Scope of operation research?
In this method variables beings studied are controlled by the investigator. In other the effect of one variable is observed while other relevant variables are held constant
#question. 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 grad
Stratified Sample Size The sampling study has depended much on the stratified sample to reduce the sampling error, samples size may have a number of strata or cluster
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
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