The Quantity Is Called the Pooled Variance Estimate of the Common

question 187

Multiple Choice

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, where the weights represent the:

• A) sample variances
• B) sample standard deviations
• C) sample sizes
• D) degrees of freedom for each sample
• E) sample mean

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