An introduction to the normal distribution:
How to use the GDC for the normal distribution:
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:
How to find Chi squared values – a past paper example:
A fantastic general revision video which covers one variable statistics, two variable statistics and also Chi squared:
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