Answer Happy

1. Why did we use the independent samples test for this study? (Note: Do not write because it says to use the "Independent Samples Test"). (2 points) 2. What are the means, standard deviations, and standard errors for both groups? (3 points) 3. What is the t statistic? (1 point) 4. Hand calculate the t statistic. (2 points) 5. What is your conclusion? (2 points) 6. Calculate the confidence interval. (1 point)

Group Statistics N 20 Mean 2.15 Sid Deviation 745 Std. or Mean 167 2-5 Grade ce qui luo Teaching style group Original teaching stay Neve teaching strategy 20 3.20 521 117 Independent Samples Test Laven's Test for quality of Varances est for quality of Means df 38 Significance One Sided Two-Sided 001 001 Man Diference -1.050 Sed Em Derence 204 95% confidence interval of the Difference Lower Uoner -1.482 -538 Grade on girl out of 1.641 208 3.150 Equal variantes assumed Equalance assumed -5.158 34.069 2001 <.001 -1.050 204 -1.464 -636 Independent Samples Effect Sizes Standardizer Point 95% Confidence interval Estimate Lower Upper Gradeon que tout of Cohen's d 644 -1.631 -2.342 -903 Hedges correction 657 -1.599 -2.296 -.885 Glass's de 523 -2.007 2.880 -1.108 a. The denominator used in estimating the effect sizes Cohen's d uses the pooled standard deviation Hedges' correction uses the pooled standard deviation, plus a correction factor Glass's detta uses the sample standard deviation of the control group. IBM SPSS Statistics Processor is ready Unicode ON Classic