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1、 (a11,b11,alternative=greater)Welch Two Sample t-testdata: a11 and b11t = , df = , p-value =alternative hypothesis: true difference in means is greater than 095 percent confidence interval:Infsample estimates:mean of x mean of y (a11,c11,alternative=greater)Welch Two Sample t-testdata: a11 and c11t
2、= , df = , p-value =alternative hypothesis: true difference in means is greater than 095 percent confidence interval:Infsample estimates: mean of x mean of y (b11,c11,alternative=greater)Welch Two Sample t-testdata: b11 and c11 t = , df = , p-value =alternative hypothesis: true difference in means i
3、s greater than 095 percent confidence interval:Infsample estimates:mean of x mean of y (a12,b12,alternative=greater)Welch Two Sample t-testdata: a12 and b12t = , df = , p-value =alternative hypothesis: true difference in means is greater than 095 percent confidence interval:Infsample estimates:mean
4、of x mean of y (a12,c12,alternative=greater)Welch Two Sample t-testdata: a12 and c12t = , df = , p-value =alternative hypothesis: true difference in means is greater than 095 percent confidence interval:Infsample estimates: mean of x mean of y (b12,c12,alternative=greater)Welch Two Sample t-testdata: b12 and c12t = , df = , p-value =alternative hypothesis: true difference in means is greater than 095 percent confidence interval:Infsample estimates: mean of x mean of y