##
## Shapiro-Wilk normality test
##
## data: controle
## W = 0.94902, p-value = 0.2383
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -1.0307, df = 40.573, p-value = 0.3088
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -0.30750221 0.09972771
## sample estimates:
## mean of x mean of y
## 38.81937 38.92326
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -0.79825, df = 43.416, p-value = 0.4291
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -0.2611445 0.1130066
## sample estimates:
## mean of x mean of y
## 38.81937 38.89344
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -0.95217, df = 40.622, p-value = 0.3466
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -0.2991371 0.1074794
## sample estimates:
## mean of x mean of y
## 38.81937 38.91520
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -0.24624, df = 45.538, p-value = 0.8066
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -0.1966461 0.1537885
## sample estimates:
## mean of x mean of y
## 38.81937 38.84080
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -0.75759, df = 39.57, p-value = 0.4532
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -0.2887645 0.1313422
## sample estimates:
## mean of x mean of y
## 38.81937 38.89808
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -0.29226, df = 46.469, p-value = 0.7714
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -0.1942097 0.1449521
## sample estimates:
## mean of x mean of y
## 38.81937 38.84400
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -1.0307, df = 40.573, p-value = 0.3088
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -0.30750221 0.09972771
## sample estimates:
## mean of x mean of y
## 38.81937 38.92326
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -2.2006, df = 43.074, p-value = 0.03318
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -0.39520523 -0.01723991
## sample estimates:
## mean of x mean of y
## 38.81937 39.02559
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -2.5473, df = 45.506, p-value = 0.0143
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -0.39730709 -0.04650348
## sample estimates:
## mean of x mean of y
## 38.81937 39.04128
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -3.3737, df = 45.005, p-value = 0.001534
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -0.4768319 -0.1203249
## sample estimates:
## mean of x mean of y
## 38.81937 39.11795
##
## Shapiro-Wilk normality test
##
## data: controle
## W = 0.57968, p-value = 2.525e-07
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -4.0952, df = 32.281, p-value = 0.0002646
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -86.90879 -29.18434
## sample estimates:
## mean of x mean of y
## 18.44295 76.48951
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -3.9342, df = 32.507, p-value = 0.0004131
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -83.59590 -26.58431
## sample estimates:
## mean of x mean of y
## 18.44295 73.53306
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -3.3517, df = 38.102, p-value = 0.001823
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -59.82109 -14.77140
## sample estimates:
## mean of x mean of y
## 18.44295 55.73920
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -3.7604, df = 36.874, p-value = 0.0005883
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -67.16534 -20.12556
## sample estimates:
## mean of x mean of y
## 18.44295 62.08840
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -2.2735, df = 43.25, p-value = 0.02802
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -40.879122 -2.450697
## sample estimates:
## mean of x mean of y
## 18.44295 40.10786
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -2.1567, df = 39.87, p-value = 0.03712
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -43.957708 -1.424386
## sample estimates:
## mean of x mean of y
## 18.44295 41.13400
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -4.0952, df = 32.281, p-value = 0.0002646
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -86.90879 -29.18434
## sample estimates:
## mean of x mean of y
## 18.44295 76.48951
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -0.25865, df = 47.81, p-value = 0.797
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -17.15061 13.24138
## sample estimates:
## mean of x mean of y
## 18.44295 20.39757
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = -0.37279, df = 47.976, p-value = 0.7109
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -18.78229 12.90695
## sample estimates:
## mean of x mean of y
## 18.44295 21.38062
##
## Welch Two Sample t-test
##
## data: controle and experimental
## t = 1.4759, df = 36.173, p-value = 0.1486
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -3.429748 21.775328
## sample estimates:
## mean of x mean of y
## 18.442953 9.270163