I need a coder who knows RStudio for simple school project

Use data_1 to perform a statistical test on whether the average birth rate (birth_rate) varies by city/district and whether or not there is a multichild policy. Perform normality and equal variance tests if necessary. Before performing statistical tests, please understand the data first with box plots, etc.

data<-read.csv("data_1.csv" , header = TRUE, fileEncoding = "CP949", encoding = "UTF-8")
data
Use this because the data has korean letters