What is the pooled variance for the following two samples?
A)7 Sample 1: n = 8 and SS = 168
B)√7 Sample 2: n = 6 and SS = 120
C)20.57
D)24

Question

What is the pooled variance for the following two samples?
A)7 	Sample 1: n = 8 and SS = 168
B)√7 	Sample 2: n = 6 and SS = 120
C)20.57
D)24

Quizplus · Accepted Answer

The pooled variance is calculated using the formula: (SS1 + SS2) / (n1 + n2 - 2). For Sample 1, SS1 = 168 and n1 = 8; for Sample 2, SS2 = 120 and n2 = 6. Plugging these into the formula gives (168 + 120) / (8 + 6 - 2) = 288 / 12 = 24.

What Is the Pooled Variance for the Following Two Samples