ders

library(tidyverse)

## Warning: package 'tidyverse' was built under R version 4.5.2

## Warning: package 'ggplot2' was built under R version 4.5.2

## Warning: package 'tidyr' was built under R version 4.5.2

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## Warning: package 'purrr' was built under R version 4.5.2

## Warning: package 'forcats' was built under R version 4.5.2

## Warning: package 'lubridate' was built under R version 4.5.2

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## ℹ Use the conflicted package (<http://conflicted.r-lib.org/>) to force all conflicts to become errors

library(lsr)

## Warning: package 'lsr' was built under R version 4.5.3

library(broom)

## Warning: package 'broom' was built under R version 4.5.2

library(ggplot2)

egzersiz_yapan <- c(18,20,22,19,17,21,23,20)
egzersiz_yapmayan <- c(25,28,30,27,26,29,31,28)
stres <- c(egzersiz_yapan, egzersiz_yapmayan)
grup <- factor(c(rep("Yapan", length(egzersiz_yapan)),
rep("Yapmayan",
    length(egzersiz_yapmayan))))
egzersiz_veri <-data.frame(grup, stres)
egzersiz_veri

##        grup stres
## 1     Yapan    18
## 2     Yapan    20
## 3     Yapan    22
## 4     Yapan    19
## 5     Yapan    17
## 6     Yapan    21
## 7     Yapan    23
## 8     Yapan    20
## 9  Yapmayan    25
## 10 Yapmayan    28
## 11 Yapmayan    30
## 12 Yapmayan    27
## 13 Yapmayan    26
## 14 Yapmayan    29
## 15 Yapmayan    31
## 16 Yapmayan    28

sonuc_egzersiz <-wilcox.test(stres ~ grup,
                             data = egzersiz_veri)

## Warning in wilcox.test.default(x = DATA[[1L]], y = DATA[[2L]], ...): cannot
## compute exact p-value with ties

sonuc_egzersiz

## 
##  Wilcoxon rank sum test with continuity correction
## 
## data:  stres by grup
## W = 0, p-value = 0.0009229
## alternative hypothesis: true location shift is not equal to 0

wilcox.test(egzersiz_yapan, egzersiz_yapmayan)

## Warning in wilcox.test.default(egzersiz_yapan, egzersiz_yapmayan): cannot
## compute exact p-value with ties

## 
##  Wilcoxon rank sum test with continuity correction
## 
## data:  egzersiz_yapan and egzersiz_yapmayan
## W = 0, p-value = 0.0009229
## alternative hypothesis: true location shift is not equal to 0

Egzersiz yapan ve yapmayan öğrencilerin stres düzeyleri arasında anlamlı fark bulunmuştur