Register to reply

Expected Value and Variance Question

by whitehorsey
Tags: expected, variance
Share this thread:
whitehorsey
#1
Jan20-13, 11:40 PM
P: 192
Does μx mean the same thing as E[X]? Also, does σ2x mean the same thing as Var X?
Phys.Org News Partner Science news on Phys.org
FIXD tells car drivers via smartphone what is wrong
Team pioneers strategy for creating new materials
Team defines new biodiversity metric
haruspex
#2
Jan21-13, 12:09 AM
Homework
Sci Advisor
HW Helper
Thanks
P: 9,854
Those would be reasonable notations for E[X], Var(X). I wouldn't say it's sufficiently standard to answer more confidently.
whitehorsey
#3
Jan21-13, 02:01 AM
P: 192
Quote Quote by haruspex View Post
Those would be reasonable notations for E[X], Var(X). I wouldn't say it's sufficiently standard to answer more confidently.
Okay Thank You!!


Register to reply

Related Discussions
Variance and Expected Value Problem Precalculus Mathematics Homework 1
Expected Value and Variance Set Theory, Logic, Probability, Statistics 2
Expected value nd variance of mean estimator Calculus & Beyond Homework 6
Expected value of sample variance Set Theory, Logic, Probability, Statistics 9
Expected Value, Expected Variance,covariance General Math 0