Data nilai ujian matematika kelas 6 SD (16 siswa)
x = c(40, 50, 50, 60, 60, 60, 70, 70, 70, 70, 80, 80, 80, 90, 90, 100)
summary(x)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 40 60 70 70 80 100
Uji Kolmogorov-Smirnov (Lilliefors)
library(nortest)
lillie.test(x)
##
## Lilliefors (Kolmogorov-Smirnov) normality test
##
## data: x
## D = 0.125, p-value = 0.7235
Uji Jarque-Bera
library(tseries)
## Registered S3 method overwritten by 'quantmod':
## method from
## as.zoo.data.frame zoo
jarque.bera.test(x)
##
## Jarque Bera Test
##
## data: x
## X-squared = 0.30827, df = 2, p-value = 0.8572
