stats.py

Created by thabo

Created on September 26, 2025

632 Bytes

Mean shifts with the curve 
Median does not
Five number summery each section
is 25%
Stdev will rise/fall with chance 
in data set but IQR usual dosnt

when normalzing a distrabution
z=x-mean/stdev

68% 1 stdev
95 2 stdev
99.7 3 stdev
Describing distrobution
Shape - skewed or symmetric
Center - where is the mean
variability- the range
Outliers - are there outliers or no

to get the IQR you do
Q3 - Q1

Characterisrtics of norm density curve
have symmetric
curve peaks at the mean
and follows the 68 95 99.7 rule

frequancy histogram is just normal 
touching lines relative is the two 
compaing eachotehr side by side

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