IB SL Probability and Stats 1

How to find median and quartiles from discrete data:

How to draw a cumulative frequency curve and estimate percentiles:

How to estimate the mean from grouped data:

A basic introduction to standard deviation:

An introduction to correlation:

An explanation about Pearson’s Product Moment (r values:)

A worked exam question on bi variate data – how to plot scatter diagrams, find means and regression lines: