t and F
Similarities
1. t2 = F (with 1
df)
2. t2 (15 df) = F (1, 15 df)
t-test is based upon mean differences
F-test is based
upon variance differences
t = calculated difference between sample means
chance difference (error)
F = variance between sample means
chance variance
(error)
Numerator differences btwn groups due to treatment
Denominator differences btwn groups due to chance/ error