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#reading-9-probability-concepts
Question
If variance is 0, this means there [...]
Answer
is no dispersion or risk.

Tags
#reading-9-probability-concepts
Question
If variance is 0, this means there [...]
Answer
?

Tags
#reading-9-probability-concepts
Question
If variance is 0, this means there [...]
Answer
is no dispersion or risk.
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Expected value
Variance is a number greater than or equal to 0 because it is the sum of squared terms. If variance is 0, there is no dispersion or risk. The outcome is certain, and the quantity X is not random at all. Variance greater than 0 indicates dispersion of outcomes. Increasing variance indicates increasing dispersion, all else

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statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

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