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2. Answer the following questions with appropriate details. (a) In simple linear regression, the least squares estimator bo and b, are known to be BLUE.

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2. Answer the following questions with appropriate details. (a) In simple linear regression, the least squares estimator bo and b, are known to be "BLUE". Explain the meaning of "BLUE" using these two estimators. (b) State the difference between standardized estimator and studentized estimator

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