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Question 86Asked in DSSSB TGT Computer Science (Technical), 1 Aug 2021, Shift 3

If P is the mean of Poisson distribution, then what is the standard deviation?

  1. AP/2
  2. BP
  3. CP²
  4. D√P
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Correct answer: (D) √P

Explanation

In a Poisson distribution, mean = variance = P, so the standard deviation is √P.

From DSSSB TGT Computer Science PYQ (Technical), 1 Aug 2021, Shift 3

This is question 86 of DSSSB TGT Computer Science PYQ (Technical), 1 Aug 2021, Shift 3. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.