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Given the Information s12=4,s22=6,n1=15,n2=25,s _ { 1 } ^ { 2 } = 4 , s _ { 2 } ^ { 2 } = 6 , n _ { 1 } = 15 , n _ { 2 } = 25,

Question 47

Multiple Choice

Given the information: s12=4,s22=6,n1=15,n2=25,s _ { 1 } ^ { 2 } = 4 , s _ { 2 } ^ { 2 } = 6 , n _ { 1 } = 15 , n _ { 2 } = 25, the number of degrees of freedom that should be used in the pooled variance t-test is:


A) 40
B) 38
C) 15
D) 25

Correct Answer:

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