# Stats

posted by .

Is the covariance (1,2) the same as the covariance (2,1)? Or is there a sign change or something?

## Similar Questions

1. ### math

I've finished studying a full textbook on linear algebra and another on statistics. I've done most of the practice problems and I understand everything covered in these books very well. But I need to know more. Specifically, I'd like …
2. ### Stats

What are variance and covariance? What do they mean?
3. ### Stats

What is the difference between covariance of two variables and the correlation coefficient of two variables?
4. ### Finance

Using the data in the following table, estimate (a) he average return and volatility for each stock, (b) the covariance between the stocks, and (c) the correlation between these two stocks.
5. ### statistics

the correlation between two random variables X and Y is p=-0.75.it is given that X=1,2or3 with equal probability of 1/3 and Y=-1,-2or-3 with equal probability of 1/3.the covariance is equal to?
6. ### statistics

What is the beta of a stock whose covariance with the market portfolio return is 0.0045 if the variance of the return on the market portfolio is 0.002?
7. ### Statistics, Finance

If the distribution of returns for an asset has a variance of zero, then covariance of returns between that asset and the returns any other asset must equal zero. True or False
8. ### statistics

If the average number of textbooks in professors offices is 16 with a standard deviation of 5; and the average age of professors is 43 with a standard deviation of 8. Calculate the covariance of the number of textbooks in professors …
9. ### sign language

how do you change a statement in american sign language For example: 1) change the orders of sign 2) change the palm orientation of the signs 3) change your facial expression 4) change the handshapes
10. ### Probability, Random Variables, and Random Process

A zero-mean Gaussian random process has an auto-correlation function R_XX (τ)={■(13[1-(|τ|⁄6)] |τ|≤6@0 elsewhere)┤ Find the covariance function necessary to specify the joint density of random variables defined at times …

More Similar Questions