Probability density functions

Statistical Thinking in Python (Part 1)

Justin Bois

Teaching Professor at the California Institute of Technology

Continuous variables

• Quantities that can take any value, not just discrete values

Michelson's speed of light experiment

Michelson's speed of light experiment

Probability density function (PDF)

• Continuous analog to the PMF
• Mathematical description of the relative likelihood of observing a value of a continuous variable

Normal PDF

Normal PDF

Normal CDF

Normal CDF

Let's practice!

Statistical Thinking in Python (Part 1)