term1 Definition1term2 Definition2term3 Definition3
Please sign in to your Google account to access your documents:
Chi square
Sum of squared standard normals. Chi squared RVs are additive. Standard chi square is sample variance over population variance.
T
Instead of standardized normal with population standard deviation, with sample standard deviation. Standard normal over square root of chi square divided by n-1 (independent fraction parts)
F
Compare variability between two independent populations. Ratio of chi-square RVs.
Need help typing ? See our FAQ (opens in new window)
Please sign in to create this set. We'll bring you back here when you are done.
Discard Changes Sign in
Please sign in to add to folders.
Sign in
Don't have an account? Sign Up »
You have created 2 folders. Please upgrade to Cram Premium to create hundreds of folders!