Describing data
Centre and spread describe a distribution more honestly than a single average.
What you will be able to do
- Use mean and median together.
- Use standard deviation or IQR.
- Plot before summarising.
In plain English
Centre and spread describe a distribution more honestly than a single average.
- Use mean and median together.
- Use standard deviation or IQR.
- Plot before summarising.
import statistics as st
values = [12, 18, 9, 22, 40]
print(st.mean(values), st.median(values), st.pstdev(values))Your turn
EasyExplain it back
Answer from memory: Which measure is robust to outliers?
TEXT · starter
Your answer…Check your understanding before moving on.
Knowledge checkQuestion 1
Which measure is robust to outliers?
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