# Statistics A-Level Tutorials

Outlined below are topics covered for the Statistics A-Level

It is advisable to check the official Pure Maths A-Level specification for your board.
Here are links to the common examination boards for Edexcel, AQA, and OCR.

## Standard Deviation – Playlist

1. Standard deviation
2. Exam Questions – Discrete data / standard deviation
3. Exam Questions – Continuous data / standard deviation

## Statistical Diagrams – Playlist

1. Stem and leaf diagrams
2. Box and whisker plots
3. Exam Questions – Box and whisker plots
4. Exam Questions – Stem and leaf diagrams and box and whisker plots
5. Histograms
6. Exam Questions – Histograms
7. Histograms – How to find the width and height of a class interval
8. Exam Questions – Histograms, Finding the length and width of a rectangle

## The Normal Distribution – Playlist

1. The normal distribution
2. Normal cumulative distribution function
3. Inverse normal function to find observed values
4. The standard normal distribution Z~N(0,1) – using tables or calculator
5. Probabilities from a normal distribution using tables
6. Exam Questions – Normal distribution, finding a probability
7. Calculating the mean μ and standard deviation σ
8. Exam Questions – Calculating the mean and standard deviation
9. Exam Questions – Finding an observed value

## Normal Approximation to the Binomial Distribution – Playlist

1. Continuity corrections
2. The normal approximation to the binomial distribution
3. Exam Questions – Normal approximation to the binomial distribution

## Hypothesis Test – Binomial Distribution Playlist

1. Test for a binomial proportion
2. Lower tail test
3. Upper tail test
4. Critical values – lower tail test
5. Critical values – upper tail test
6. Two tailed test
7. Exam Questions – Hypothesis tests: binomial distribution