Browsing by Author "Horton, John C."

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Statistics - an intuitive introduction : central tendency

Field, Richard; Horton, John C.

Statistical data have a tendency to cluster around some central point. How do we determine this point? Is there just one way of doing it or more than one?
Statistics - an intuitive introduction : graphical display

Field, Richard; Horton, John C.

Different ways of displaying data: boxplots, histograms and distributions.
Statistics - an intuitive introduction : introduction

Field, Richard; Horton, John C.

Things you need to know before looking at the statistics courses here.
Statistics - an intuitive introduction : normal distribution

Field, Richard; Horton, John C.

One of the most common statistical distributions is the normal distribution. What does it tell us and how do we use it?
Statistics - an intuitive introduction : standard deviation

Field, Richard; Horton, John C.

A standard way of measuring statistical variability: standard deviation and the associated concepts of variance and degrees of freedom.
Statistics - an intuitive introduction : summation sign

Field, Richard; Horton, John C.

Understanding the summation sign: what does it do … why does it exist?
Statistics - an intuitive introduction : variability

Field, Richard; Horton, John C.

Statistical data vary: range and inter-quartile range measure this. Are they good measures?