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2. How to find the variance and standard deviation of a discrete random variable?​
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4 votes
2. How to find the variance and standard deviation of a discrete
random variable?​

User Pradeep Bishnoi
by
9.2k points

1 Answer

5 votes

Answer:

To find the variance just take the second moment and subtract that from the first moment squared

To find the standard deviation just take the square root of the variance

Explanation:

User Rakesh Soni
by
7.6k points
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