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0 20 40 6080 control soap -30 20 10 0 control soap 0 20 60 80 soapdataSy Distribution of VAR2 by BY Group Q-Q Plots of VAR2 80-soap 1.5 -10 00 S 10 1 1.5 -10 0S 00 0S10 trt y contro

Based on the graphs, what is the assumption for this t-test? Is it met? The control group has 8 values and the soap group has 7 values.

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