The quantity is called the pooled variance estimate of the common variance of two unknown but equal population variances. It is the weighted average of the two sample variances. What do the weights represent?
A) sample variances
B) sample standard deviations
C) sample sizes
D) degrees of freedom for each sample

Question

The quantity  is called the pooled variance estimate of the common variance of two unknown but equal population variances. It is the weighted average of the two sample variances. What do the weights represent?
A) sample variances 
B) sample standard deviations 
C) sample sizes 
D) degrees of freedom for each sample

Quizplus · Accepted Answer

The Answer of The quantity  is called the pooled variance estimate of the common variance of two unknown but equal population variances. It is the weighted average of the two sample variances. What do the weights represent?
A) sample variances 
B) sample standard deviations 
C) sample sizes 
D) degrees of freedom for each sample

The Quantity Is Called the Pooled Variance Estimate of the Common