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Q.3 What is the difference between ordinary least square and maximum likelihood ( ML ) estimators ? Also discuss their properties ?
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- 5 True/False/uncertain 7) With all observations in the same cluster, RSQ = 1. 8) With 500 multiple imputation samples generating 500 predictions of 0 or 1 for the binary dependent variable for each observation, to combine the 500 predictions into one for each observation, one has to take the mean of all 500 predictions and use a cutoff of 50%.Can you explain what these two belows mean in regard of GMM and Maximum likelihood. What are we calculating and what is it used to Unconstrained optimizationConstrained optimizatio12. Weighted average of probabilities is classified as A. average rate of return B. expected rate of return C. past rate of return D. weighted rate of return
- A sports shop selects a random sample and records the sales of items made in China and thosemade in America. Country of origin n mean St.Deviation China 50 22.5 9.75 America 33 33.15 11.6 What is the SE Mean for the sales from China?It is sometimes said that, "Those who gamble the most are the ones who can least afford to lose." These people gamble because Group of answer choices the gambler has no family to consider if he/she dies. there is utility other than monetary to consider. the EMV is positive. the EMV is negative3. Report the sample mean and standard deviationof the 52-week cost under each policy. Usingthe simulated results, is it possible to constructvalid 95% confidence intervals for the average52-week cost for each value of U? In any case,graph the average 52-week cost versus U. Whatis the best value of U for L 5 30
- please give answer for 10, 11, and 12One hundred persons were asked, "Do you favour regional integration?". Of the 35 that answered "no" to the question, 14 were female. Of the 65 that answered "yes" to the question, 30 were female.a)Draw a completed contingency table, showing totals, to illustrate the information above. b)If one person was randomly selected, what is the probability that the person is:(i) female? (ii) female or responded “no”? (iii) female given that they responded “no”?What is sampling? Explain the differences between probability and nonprobability samples and identify the various typesof each