Let be normal distributed with mean and common variance . i = 1,...,a ; j = 1,...,b;k = 1,...,c

Find the variance of

where n = abc. Then I would multiply it by 'a' to find Have I made a mistake somewhere?

Printable View

- Mar 25th 2010, 05:16 PMstatmajorVariance of an Addative Model
Let be normal distributed with mean and common variance . i = 1,...,a ; j = 1,...,b;k = 1,...,c

Find the variance of

where n = abc. Then I would multiply it by 'a' to find Have I made a mistake somewhere? - Mar 25th 2010, 11:21 PMmatheagle
- Mar 26th 2010, 02:40 PMstatmajor
I calculated , and not , so I'll need to sum up from i= 1,...,a to get

- Mar 26th 2010, 03:16 PMRandom Variable
Are the observations independent?

If they are, then