In the chapter, we examined the difference between white and black students in the timing of when they first tried cigarettes. In this SPSS output based upon MTF11SSDS, we examine the grade when black and Hispanic students first tried alcohol. Present Step 5 (final decision) for this data. Assume alpha = .05, two-tailed test.

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Figure 9.11 T Test Output for RACE and GRDRINK Group Statistics race Respondent's race (trichoromized BW/H) Std MeanDeviation Mean grdrink What grade 1 BLACK.(1) when first tried alcohol, 3 HISPANIC(3) even a few spe? 148 166 5.74 4.78 2 289 2 390 187 185 Independent Samples Test Levene's Test for Equality of Variances 1-Tent for Equality of Means d Taileds Difference itfernce Lower Upper 264 434 1472 263 431.471 sig 1 grdrink What grade Equal variances when first tried alcohol, assumed 590443 3.614312 000 953 even a few sips Equal varianices not assumed 3.825 310.753000 953