Correlations

## 
##  Pearson's product-moment correlation
## 
## data:  hr$number_project and hr$average_montly_hours
## t = 56.219, df = 14997, p-value < 2.2e-16
## alternative hypothesis: true correlation is not equal to 0
## 95 percent confidence interval:
##  0.4039037 0.4303411
## sample estimates:
##       cor 
## 0.4172106

Technical interpretation

The correlation coefficient (r = 0.417) indicates a moderate positive correlation between number_project and average_montly_hours.
The p-value < 2.2e-16 is extremely small, meaning the correlation is statistically significant.

Non-technical interpretation

Employees with more projects usually work more hours.
However, there might be other factors can also affect monthly hours.

Bar chart