Interval Estimator - (or confidence interval)

One-Sample Test Test Value = 0 t df Sig. (2-tailed) Mean Difference 95% Confidence Interval of the Difference Lower Upper Siblings 19.498 168 .000 1.781 1.60 1.96 99% CI One-Sample Test Test Value = 0 t df Sig. (2-tailed) Mean Difference 99% Confidence Interval of the Difference Lower Upper Siblings 19.498 168 .000 1.781 1.54 2.02 Large sample ... ................
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