One sample has n = 7 scores with SS = 40,and a second sample has n = 5 scores with SS = 80.The pooled variance for these two samples is 120/10 = 12.

Name: One sample has n = 7 scores with SS = 40,and a second sample has n = 5 scores with SS = 80.The pooled variance for these two samples is 120/10 = 12.
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Question

​One sample has n = 7 scores with SS = 40,and a second sample has n = 5 scores with SS = 80.The pooled variance for these two samples is 120/10 = 12.

Quizplus · Accepted Answer

The pooled variance is calculated as the sum of the variances of the two samples divided by the total number of samples. In this case, the pooled variance is (40 + 80) / (7 + 5) = 120 / 12 = 10.

​One Sample Has N = 7 Scores with SS =

One Sample Has N = 7 Scores with SS =