Sum of scores Sum of squared scores Sample size Mean Standard deviation Sum of D Sum...

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Sum of scores Sum of squared scores Sample size Mean Standard deviation Sum of D Sum of D Mean of D Variance of D SEMD Degrees of freedom t t-critical before treatment after treatment It was hypothesized that depression would be lower after treatment than it was before treatment. Your data set before treatment after treatment | | | | | | | | 52 30 66 30 56 32 49 41 64 53 39 40 Sum of scores Sum of squared scores Sample size Mean Standard deviation Sum of D Sum of D Mean of D Variance of D SEMD Degrees of freedom t t-critical before treatment after treatment It was hypothesized that depression would be lower after treatment than it was before treatment. Your data set before treatment after treatment | | | | | | | | 52 30 66 30 56 32 49 41 64 53 39 40