The following estimators of A: î1 = y â2 = n(y1 + y2 + …·+ yn) ... Yı + y2 3 2 Y1 п From a Poission distribution with mean 2, let y1,Y2, y3, ... , yn be a random sample. 1. Which of the above estimators is/are unbiased? Justify. 2. Which of the above is/ are biased? Compute for the bias. 3. Which of the estimators have the smallest variance?

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The following estimators of A:
î1 = y
â2 = n(y1 + y2 + …·+ yn)
...
Yı + y2
3
2
Y1
п
From a Poission distribution with mean 2, let y1,Y2, y3, ... , yn be a random sample.
1. Which of the above estimators is/are unbiased? Justify.
2. Which of the above is/ are biased? Compute for the bias.
3. Which of the estimators have the smallest variance?
Transcribed Image Text:The following estimators of A: î1 = y â2 = n(y1 + y2 + …·+ yn) ... Yı + y2 3 2 Y1 п From a Poission distribution with mean 2, let y1,Y2, y3, ... , yn be a random sample. 1. Which of the above estimators is/are unbiased? Justify. 2. Which of the above is/ are biased? Compute for the bias. 3. Which of the estimators have the smallest variance?
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