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#reading-9-probability-concepts

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The **[...]** of a random variable is the **expected value** of squared deviations from the random variable's expected value.

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#reading-9-probability-concepts

Question

The **[...]** of a random variable is the **expected value** of squared deviations from the random variable's expected value.

Answer

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Tags

#reading-9-probability-concepts

Question

The **[...]** of a random variable is the **expected value** of squared deviations from the random variable's expected value.

Answer

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**Subject 6. Expected Value, Variance, and Standard Deviation of a Random Variable**

interpret expected value is as follows: If a number of such concerts were held, the organizers can expect to achieve a profit of $14,000 for each concert. So expected values actually make more sense when viewed over the long run. <span>The variance of a random variable is the expected value (the probability-weighted average) of squared deviations from the random variable's expected value. σ 2 (X) = E{[X - E(X)] 2 } Variance is a number greater than or equal to 0. If it is 0, there is no dispersion or risk. The outcome

interpret expected value is as follows: If a number of such concerts were held, the organizers can expect to achieve a profit of $14,000 for each concert. So expected values actually make more sense when viewed over the long run. <span>The variance of a random variable is the expected value (the probability-weighted average) of squared deviations from the random variable's expected value. σ 2 (X) = E{[X - E(X)] 2 } Variance is a number greater than or equal to 0. If it is 0, there is no dispersion or risk. The outcome

status | not learned | measured difficulty | 37% [default] | last interval [days] | |||
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repetition number in this series | 0 | memorised on | scheduled repetition | ||||

scheduled repetition interval | last repetition or drill |

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