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Q1.(i) A manufacturing firm has previously sequenced its jobs using the "Shortest Operation Time" (SOT) rule. This has resulted in poor delivery performance with many jobs being delivered late. They have now changed to the "Earliest Due Date" (EDD) rule in an attempt to improve their service to customers. Two samples of data, one using SOT and one using EDD are shown below:
(a) Use a SIMPLE test to check if the data can be regarded as "reasonably" Normal.
(b) Has the delivery performance improved since the new (EDD) rule was introduced? Explain your answer.
Note: "Negative Lateness" means the job was Early.
(ii) Fluorescent light tubes used by a firm have a target life of 1600 hours. However, accumulated data shows a mean time to failure of 1570 hours. What proportion of the tubes could be expected to achieve the target life? (Explain your choice of model.).
The study of radioactive disintegrations indicates the emission of alpha, beta and gamma particles/rays to be of nuclear origin. Further, study of artificial radioactivity has reve
List down various measures of central tendency and explain the difference between them?
Just interested how indepth are the answers
Transition towards IFRS Over the last few years, there has been a tremendous change in the world's capital markets. There has thus been a shift away from the local financial re
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A contra-asset assessment consideration used to history the buildup of regular credit created to indicate the conclusion of the approximated useful life of investment resources.
Utility of index
Two functions of Accounting. Accounting Purchase only: In the guides of Records only a transaction which is relevant to some cash value can be registered. Posting: The Expl
What is the probability 0.10 called?
What is the properties of a simple random sample when 50 females are numbered 1 through 50, and males are numbered 51 through 100?
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