ECON 250 Final: ECON 250 Pastfinals Final 05 ans fix new
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ECON 250 Full Course Notes
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At the end of the exam are several formulae and tables for the binomial, normal and t distributions. Answers are to be written in the examination booklet. Please note: proctors are unable to respond to queries about the interpre- tation of exam questions. Do your best to answer exam questions as written. There are a total of 100 possible marks to be obtained. Part a has 12 questions worth at total of 60 marks. Part b has 1 question worth 40 marks. Part a (60 marks) : answer all 12 questions. Five (5) marks each for a total of 60 marks: there are two independent data such that the population. X1i n id( , 2)withi = 1, . n1 andx2j n id( , 2)withj = 1, . n2. Point estimator is said to be an unbiased estimator of the parameter if the expected value, or mean, of the sampling distribution of is ; that is, e( = .