14 Why we divide by n - 1 in variance#

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import numpy as np
import pandas as pd
from pandas import Series, DataFrame
import matplotlib.pyplot as plt
import seaborn as sns
from scipy import stats

khanacademy

Why we divide by n - 1 in variance fig 1Why we divide by n - 1 in variance fig 2

# TODO: create a similar similation using numpy and matplotlib