A paired T test consists of n pairs of observations. What is the number of degrees of freedom of the test?
A. 2n-1
B. 2n
C. n-1
D. n
Answer:C
A paired T test consists of n pairs of observations. What is the number of degrees of freedom of the test?
A. 2n-1 B. 2n C. n-1 D. n
Explanation: For a paired T distribution the no of degrees of Freedom are n-1 where n denotes the number of pairs of samples in the test.