t-Test for Correlated Samples (n per sample up to .)
The logic and computational details of this test are described in Chapters 9 and 12 of Concepts and Applications. |
Data Entry | |||
Pairs | X_{a} | X_{b} | d=X_{a}—X_{b} |
Data Summary_{Q} | |||
Summary | X_{a} | X_{b} | d |
n | |||
sum | |||
mean | |||
sumsq | |||
SS | |||
variance | |||
st. dev. |
Mean_{a}—Mean_{b} | t | df |
P | one-tailed | |
two-tailed |
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