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2 years ago

6

What would happen to the variance of a data set if we multiplied every observation by S?

1 answer:

kipiarov [429]2 years ago

4 0

The variance of a constant is zero. Rule 2. Adding a constant value, c, to a random variable does not change the variance, because the expectation (mean) increases by the same amount. ... Multiplying a random variable by a constant increases the variance by the square of the constant.

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Step-by-step explanation:

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2 years ago

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