First steps

These resources are designed to help you refresh your knowledge or get going with statistics for the first time.

On
  Video Written Resouce Exercise

Types of data

 
Introduction

Categorical vs numerical data

Nominal, ordinal, continuous

MASH guide to types of data  Online exercises

Mean, median and mode

     
Mean, median and mode from lists

Khan Academy Videos

Maths Centre guide

Corbett Maths exercises

Online exercises

Frequency Tables and Grouped Data

Calculating the mean from tables

Calculating the mean (grouped data)

Calculating medians from tables

Calculating medians (grouped data)

Maths Centre guide

Online exercises

Calculating the mean

Estimating the mean

Calculating the median (frequency table)

linear interpolation

Measures of spread

     
Range and interquartile range

Range and mid-range

Range and interquartile range

Online exercises
Introduction to standard deviation

Standard deviation explained

A very first introduction by MASH

Practice problems

Data display

     
Data display principles

Five data storytelling tips

Displaying data

What graph should I use?

Graphics principles cheat sheet

Online Stat Book exercises
Bar Charts

Representing data

Online Stat Book webpage

Corbett Maths exercise
Histograms

MASH Video on Histograms

Online Stat Book Webpage

Corbett Maths Exercise

Exam Solutions exercises

Pie charts

Pie charts

Math Is Fun webpage

Corbett Maths exercises
Scatter graphs  

Math Is Fun webpage

Corbett Maths exercises
Boxplots

Creating a boxplot

How to read boxplots

Corbett Maths exercises
Line graphs

Reading line graphs

Online Stat Book webpage

Corbett Maths exercises

Contingency tables

     
Introduction

Video

Webpage

Corbett Maths exercises

Normal Distribution

     
Introduction

Statquest video

Webpage  

Confidence intervals

     
Introduction

Online Stat Book video

Stat Book webpage  

Exploratory data analysis

     
Overview Video HELM Booklet  
An introduction to skew

Shapes of distributions

What is skewness?

Khan Academy exercises
Two people sitting at a table looking at some work together
Two people sitting at a table looking at some work together

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