AS OCR Stats Maths Videos

General

Formulae Booklet

Representing Data

Mean

Mean for discrete data

Calculating the mean from frequency tables

Casio fx calculators: mean from frequency table

Median and Quartiles

Finding the median and quartiles

Cumulative frequency curves

How to interpret class intervals

Estimating the median from a frequency table

Standard Deviation

Standard deviation from frequency tables

Statistical Diagrams

Stem and leaf diagrams

Box and whisker plots

Finding the width and height of a class interval on a histrogram

Try our AI Flashcard Generator to transform these videos into flashcards.

Probability

Tree Diagrams

How to draw tree diagrams

Probability tree diagrams and independant events

Combining probabilities - mutually exclusive events

Dependent events

Dependent events - example

Conditional probability in tree diagrams

Conditional probability example

Venn Diagrams

What is a Venn diagram?

Problems involving 3 sets

Algebraic type problem involving 3 sets

Notation and symbols used in Venn diagrams

Shading regions

Probability in Venn diagrams

Conditional probability in Venn diagrams

P(A∪B) and mutually exclusive events

Try our AI Flashcard Generator to transform these videos into flashcards.

Discrete Random Variables

Discrete Probability Distributions

Probability distribution tables

Binomial Distribution

Formula for Binomial distribution

Binomial distribution example qestions

Binomial probabilities on a calculator - evaluating P(X=x) for X~B(n,p)

Binomial probabilities on a calculator - evaluating P(X≤x) for X~B(n,p)

Cumulative probability tables for p ≤ 0.5

Cumulative probability tables for p ≥ 0.5

Mean and variance

Try our AI Flashcard Generator to transform these videos into flashcards.

Correlation and Linear Regression

Correlation

Pearson's Product Moment Correlation Coefficient using a Casio calculator

Pearson's Product Moment Correlation Coefficient - the formula

Hypothesis testing for zero correlation

Regression

Least squares method

Regression for y on x on a Casio calculator

Calculating a regression line without the calculator statistics function

Meaning of a & b in y = a + bx

Predictions and their reliability

Try our AI Flashcard Generator to transform these videos into flashcards.

Hypothesis Tests

Binomial Distribution Hypothesis Tests

Test for a binomial proportion

Lower tail test

Upper tail test

Critical values method: lower tail test

Critical values method: upper tail test

Two tailed test

Try our AI Flashcard Generator to transform these videos into flashcards.