T-Test One-Sample Statistics N Mean Std. Deviation Std. Error Mean FBfriends 40 358.40 181.796 28.745 One-Sample Test Test Value = 300 95% Confidence Interval of the Difference Mean Difference df Sig. (2-tailed) Lower Upper FBfriends 2.032 39 .049 58.400 .26 116.54

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