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Q1.(i) The logistics department of a large firm employs three "estimators" whose job it is to decide the likely cost of delivering their products to their customers. This enables them to negotiate with Third Party Logistics (3PL) providers for an acceptable price. In order to check if there is any serious discrepancy between the methods used by the three they were each asked to produce estimates for the same four jobs. The results (in hundreds of pounds) are shown in the table below:
(a) Does the data suggest any discrepancy between the estimators?
(b) Is it possible to identify any interaction between estimators and jobs? Explain your answer.
(ii) Two computer operating systems were compared to test the disc access response times. The results (in milliseconds) are shown below:
Does it seem that there is a significant difference between the two operating systems?
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
A. Describe what a z score is. B. Explain why they can be used to compare scores from different distributions.
Atomistic fallacy The fallacy which arises because of the association amongst the two variables at the individual level might differ from the association between the similar two
purpose?
pie charts
#multiple linear regression of y on x1 & x2 from data relating to 3 variables i.e y=4,6,77,9,13,15 x1=15,12,8,6,4,8 x2=30,24,20,14,10,4
Batch costing and method of costing whereby identical units produced are treated as a single unit & the cost incurred is shown to the whole of that batch instead of each individual
Less than 5 yrs 22 5-10 18 10-20 5 20-30 4 More than 30 1
1.The resumés of 2 males applicants for a college teaching position in chemistry are places in the same file as the resumés of 2 female applicants. Two positions become available a
What are the salient features of a Promissory Note? Ans. a) A Promissory Note is made by the promiser who undertakes to pay the mentioned amount of Bill to the bearer of the Promi
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