Open the Required Packages
library(readxl)
library(ggplot2)
library(rcompanion)
Import & Name Dataset
A5Q2<- read_excel("C:/Users/krish/Downloads/A5Q2.xlsx")
Create a Contingency Table
MyTable <- table(A5Q2$nationality, A5Q2$scholarship_awarded)
MyTable
##
## 0 1
## Domestic 39 111
## International 118 32
Create Bar Charts
barplot(MyTable, beside = TRUE,
col = rainbow(nrow(MyTable)),
legend = rownames(MyTable))
Conduct the Chi-Square Test of Independence
chisq.test(MyTable)
##
## Pearson's Chi-squared test with Yates' continuity correction
##
## data: MyTable
## X-squared = 81.297, df = 1, p-value < 2.2e-16
Cramer’s V (Effect Size)
rcompanion::cramerV(MyTable)
## Cramer V
## 0.5272
A Chi-Square Test of Independence was conducted to determine if there was an association between Variable 1 and Variable 2.
The results showed that there was an association between the two variables, χ²(1) = 81.30, p < .001.
The association was strong, (Cramer’s V = .53).