Question

Is this true: $\mathrm{Cov}(X,Y) = \sqrt{\mathrm{Var(X)}}\sqrt{\mathrm{Var}(Y)}$?

score 3.3k · Answer 1 · 2011-04-27 11:39:38

3.3k

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Is this true: $\mathrm{Cov}(X,Y) = \sqrt{\mathrm{Var(X)}}\sqrt{\mathrm{Var}(Y)}$?

Published on 27 Apr 2011 - 11:39

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13.2k

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score 500 · Answer 4 · 2011-05-19 10:33:56

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score 20.3k · Answer 6 · 2011-06-10 22:09:15

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score 670 · Answer 7 · 2011-06-30 14:04:38

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76

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Published on 01 Sep 2011 - 3:23

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score 3.7k · Answer 14 · 2011-09-11 11:08:02

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score 2.3k · Answer 15 · 2011-09-14 07:37:57

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List Question

Is this true: $\mathrm{Cov}(X,Y) = \sqrt{\mathrm{Var(X)}}\sqrt{\mathrm{Var}(Y)}$?

Calculating mean and standard deviation of very large sample sizes

Standard error of the mean for root mean square of data

math distribution of averages and distribution of standard deviation for comparison of bytes

How can I calculate "most popular" more accurately?

How can I calculate the standard deviation knowing an event probability and a number of trials?

Calculating Percent Variance Of Dates?

How can I figure out a set of values that most of my population will hit 99% of the time?

Trying to find a meaningful statistical indicator to reflect user interaction with a website

Standard deviation of a rate

Charting Histogram Averages and Standard Deviation

Why is there not a simpler way to calculate the standard deviation?

Financial Calculator HP 10bII - Standard Deviation with Probability

Help with problem: Estimated Standard Deviation of Regression Equation (Simple Linear)

Effects of subtracting numbers in a set of random variables on their mean and standard deviation

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