1. Chi-square test: Employee attrition vs. Work Accident

## 
##  Pearson's Chi-squared test with Yates' continuity correction
## 
## data:  table1
## X-squared = 357.56, df = 1, p-value < 2.2e-16

Technical interpretation:

The p-value is < 0.05, so there’s a significant relationship between work accident and employee attrition.

Non-technical:

Employees who had work accidents are less likely to leave the company.

2. Chi-Square Test: Salary vs Left

## 
##  Pearson's Chi-squared test
## 
## data:  table4
## X-squared = 381.23, df = 2, p-value < 2.2e-16

Technical:

Employees with low salaries are more likely to leave the company.

3. Chi-square test: Employee attrition vs. Department

## 
##  Pearson's Chi-squared test
## 
## data:  table3
## X-squared = 86.825, df = 9, p-value = 7.042e-15

Technical:

A small p-value < 0.05 indicates a statistically significant relationship between an employee’s department and whether or not they left the company.

Non-technical:

Some departments have higher employee turnover than others.

4. Chi-square test: Employee attrition vs. Salary

## 
##  Pearson's Chi-squared test
## 
## data:  hr$left and hr$salary
## X-squared = 381.23, df = 2, p-value < 2.2e-16
Technical:

P-value < 0.05 suggests a relationship between salary levels and employee attrition.

Non-technical:

Employees with higher salaries are less likely to leave the company.