Hypothesis testing

How purchase likelihood differs by education?

Group Statistics Std. Std. Error X8 -- Purchase Likelihood N Mean Deviation Mean XO -- Education 12 .33 .402 .142 2 16 .50 .516 . 129Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of Significance Mean Std. Error the Difference F Sig. t df One-Sided p Two-Sided p Difference Difference Lower Upper X9 -- Education Equal variances 1.857 .185 -.862 26 198 .397 -.167 193 -.564 .231 assumed Equal variances not -.868 24.439 .197 .394 -.167 . 192 -.563 .220 assumedOne-Sample Effect Sizes Point 95% Confidence Interval Standardizer Estimate Lower Upper X8 -- Purchase Likelihood Cohen's d 1.653 2.540 2.254 2.825 Hedges' correction 1.660 2.531 2.246 2.814 X9 -- Education Cohen's d .491 1.222 1.037 1.404 Hedges' correction .493 1.217 1.034 1.399 a. The denominator used in estimating the effect sizes. Cohen's d uses the sample standard deviation. Hedges' correction uses the sample standard deviation, plus a correction factor