Two samples of n = 10 participants each generate the following data.  Calculate a t-test score for the difference of these two groups. Group 1 Group 2 16 19 11 16 16 11 15 13 12 15 10 11 14 8 10 11 16 13 12 12     t(18) = 2.35     t(18) = 2.62     t(18) = 1.54     t(18) = 2.48

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