Quiz_5 - Quiz 5 This quiz is based on the lecture material...

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Quiz 5 This quiz is based on the lecture material in weeks 5 and 6. Suppose that we take a random sample of 20 units from the study population and measure the response variate to get the data 12 2 0 , ,..., y yy . We model the sampling by Gaussian response model 0 , ,..., ~ (0, ) independent ii YR R R G μ σ =+ 1. (1/2 mark) The parameter represents the attribute of interest in the target population. (True or False) 2. (1/2 mark) The estimate of is ˆ , a random variable with mean . (True or False) 3. (1/2 mark) The estimator ± of has a 2 χ distribution with 19 degrees of freedom. (True or False) 4. (1/2 mark) We can estimate the parameter 1 R by 11 ˆ ry ˆ = .(True or False) In a study of insurance claims, the number of claims of a certain type per week can be assumed to be Poisson with unknown mean λ . Data 1 ,..., 1 0 y y are collected for 10 weeks. The maximum likelihood estimate of is ˆ , the sample average. 5. (1 mark) The mean of the corresponding estimator is A: B: y C: ˆ D:10 / 9 6. (1 mark) The standard deviation of the corresponding estimator
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Quiz_5 - Quiz 5 This quiz is based on the lecture material...

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