import pandas as pd
import numpy as np
health_data = pd.read_csv("data.csv", header=0, sep=",")
var = np.var(health_data)
print(var)
Duration 99.00 Average_Pulse 206.25 Max_Pulse 116.00 Calorie_Burnage 825.00 Hours_Work 11.84 Hours_Sleep 0.25 dtype: float64