assignment4

## Warning in wilcox.test.default(before_the_exercise, after_the_exercise, :
## cannot compute exact p-value with ties

## 
##  Wilcoxon signed rank test with continuity correction
## 
## data:  before_the_exercise and after_the_exercise
## V = 0, p-value = 0.005355
## alternative hypothesis: true location shift is not equal to 0

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