Suppose you read the following in a journal: the group means did not differ significantly, t(30.1) = 1.66, p
Suppose you read the following in a journal: "the group means did not differ significantly, t(30.1) = 1.66, p<.05, two-tailed." you notice that the ns in the groups were n1=40 and n2=55. what degrees of freedom would you normally expect at test to have when n1=40 and n2=55? how do you explain why the degrees of freedom reported here differ from the value you just calculated?
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n140 n255 Degrees of freedom of t statistic 40552 93 ...
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Authors: John E. Marthinsen
2nd edition
128505542X, 978-1305176157, 1305176154, 978-1285055428
