One Sample Has N = 10 Scores and a Variance

question 38

Multiple Choice

One sample has n = 10 scores and a variance of s² = 20, and a second sample has n = 15 scores and a variance of s² = 30.What can you conclude about the pooled variance for these two samples?

• A)It will be closer to 20 than to 30.
• B)It will be closer to 30 than to 20.
• C)It will be exactly half way between 20 and 30.
• D)Cannot be determined without more information.

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