Maths AS-Level Revision Stats

  • Data Presentation and Interpretation
  • Central Tendency and Variation
  • CGP
    1. Definitions
    1. using tables
    1. Standard deviation
  • Worked - standard deviation
  • Questions
  • 12.1A
  • 12.2A
  • CGP Exam Questions
  • Videos
  • Calculating mean from freq tables
  • Mean as a measure of central location
  • Standard Deviation
  • Standard Deviation from frequency tables
  • Exam Questions WEB
  • Standard Deviation + Variance REVISION
  • Coding
  • Questions
  • 12.2B
  • Practice + Exam Questions
  • Snippets
  • Coding Grouped data
  • Coding summarised data
  • Linear Coding Examples
  • Linear Coding~
  • Makes Numbers Easier
  • Coding the Mean
  • Linear coding mean and standard deviation
  • Video 5 Coding

Correlation

  • Questions
  • 12.3C
  • 12.3D
  • Practice Questions
  • 12.3C - PRE
  • Snippets
  • Correlation - Advanced
  • Correlation measure of...
  • Correlation avaliable
  • Variable and response
  • Interpolation and Extrapolation
  • Regression Line
  • Regression line with care
  • Scatter diagrams patterns
  • Videos
  • Understandard Correlation
  • Introducing Linear Regression
  • Cumlative Freq Graphs and Boxplots
  • Questions
  • 12.3A
  • CGP Questions
  • Snippets
  • Boxplot is visual
  • Boxplot comparing
  • CF Graph
  • Videos
  • Box and Whisker Plot
  • Cumlative Frequency
  • Grouped Data
  • Questions
  • 12.3A
  • 12.3B
  • CGP Questions
  • Snippets
  • Videos
  • Estimating Standard dev
  • Grouped data - estimat the mean
  • Histrograms

Linear Interpolation

  • Standard Deviation for Grouped Data
  • Estimated Means from Grouped Data
  • Median by Linear Interpolation
  • Statistics histograms

Interquartiel Ranges and Outliers

  • Questions
  • CGP Questions
  • Snippets
  • IQ range is a measure of variation
  • Outsiders
  • Percentiles
  • Range + Outliers
  • Using IQR to compare distributions
  • Videos
  • Finding the median and...
  • Outliers
  • 25th Percentitle
  • 50th Percent
  • 75th Percentile
  • Probability
  • Mutually Exclusive and Independant Events
  • Exam Questions
  • Snippets
  • Independant events have no
  • Mututally Exclusive
  • Mutually Exclusive Events have no overlap
  • Tree diagram - Edexcel
  • Tree diagram - Example
  • Tree diagram - Example CGP
  • Tree duagran
  • CGP Questions
  • 13.A
  • Random Events and Venn Diagram
  • Questions
  • CGP Questions
  • Snippets
  • Complement of Event...
  • Random Event has various..
  • Venn Diagram EXAMPLE
  • Venn diagrams
  • Videos
  • Introducing Venn Diagrams
  • Finding probabilities
  • Trickier Venn Diagram Problem
  • Drawing Venn Diagram
  • Union and Intersection
  • Conditional probability

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  • Hypothesis
  • Questions
  • CGP Questions
  • Ch7 Hypothesis Testing
  • S2 Hypothesis Testing
  • S2 Hypothesis Testing - test on normal mean
  • Snippets
  • Critical region define
  • Edxcel - Signifigance levels
  • Edexcel - Two-tailed or one tailed
  • Hypothesis is a....
  • If your data is significant...
  • Null and alternative hypothesis
  • One-tailed or two-tailed
  • Video
  • Hypotheses Test Critical region
  • Hypothesis testing and p-values
  • One-tailed and two-tailed tests
  • Hypothesis and Binomial Distributions
  • Questions
  • 14.2B
  • CGP Exam Questions
  • Snippets
  • Edexcel - Binomial Signifigance
  • CGP Binomail Example 1
  • CGP Bionomial Example 2
  • Critical or Actual Signifigance LEvel
  • Critical Region - 1
  • Critical Region - 2
  • Critical Region 0-3
  • Example 3
  • Example 4
  • Hypothesis test to find out about the population....
  • Videos
  • Hypothesis Testing - Critical Values
  • Hypothesis testing - Finding an Upper Critical Value
  • Hypothesis testing critical value method for a binomial distrubtion
  • Hypothesis Testing Binomail Distrubtion
  • Hypothesis Testing - Critical Region Method

Statistical Distributions

  • Binomial Distribution
  • Questions
  • Snippets
  • Videos
  • 13.3A
  • CGP Exam Questions
  • Ch.1 Binomial Distribution
  • Exam Questions WEB
  • Introducing the Binomial Distrubtion
  • Solving a Binomial problem for an exact value
  • Example Questions
  • formula - Binomial Distribution
  • Binomial Distribution (Introduction)
  • 5 Conditions for a Binomial Distrubution
  • Binomial Coefficients to count arragements
  • Binomial tables or calculator
  • Binomial tables tell you more than you think
  • but divide r!
  • CGP - Example 1
  • CGP - Example 2 - Binomial Probably Function
  • Edexcel - Binomial Intro 1
  • Edexcel - Binomial Intro 2
  • Exmple 15 16 17
  • Example 18 and 19
  • n different objects can be arranged in n! different ways
  • Use Binomial Coefficients
  • Probability Distribution
  • Questions
  • 13.2A
  • 13.2B
  • CGP Questions
  • Ch.3 Cotinuous Random variables~
  • S2 Continuous Random variables
  • S2 Discrete RAndom variables
  • S2 Probability
  • Snippets
  • 1 - Continuous Random Variables
  • 1
  • 2
  • All proabbilties add up to 1
  • CGP - Example - 1
  • Complicated Questions
  • Continous Distribution
  • Cumlative Distribution Function - Example
  • Cumlative Dis
  • Example 7 and 8
  • Example 10
  • 12
  • Random variables have probability distributions
  • Videos
  • Constructing a Probabily Distrubtion Table
  • Cumulative Dist Function Example
  • Cumlative Dist Introduction
  • Possibility Space Diagrams
  • Probabily from compound sample space Statistics and probability
  • Statistical Sampling
  • Questions
  • CGP - Exam Questions
  • Snippets
  • Census definition
  • Edexcel - Bias defintion
  • Edexcel - Census definition
  • Edexcel - Population definition
  • Edexcel - Sampling frame
  • Edexcel - Sampling survey definition
  • Edexcel - Sampling unit definition
  • Edexcel - Target population
  • Justify choosing a sample over a census
  • Population definition
  • Sample ddefinition
  • Sample needs to be representitive
  • Videos
  • Definition of sample in maths
  • Sampling methods
  • Questions
  • 14.1A
  • Ch,6 Population and Samples
  • S2 Sampling methods
  • Snippets

Edexcel - Oppertunity Sampling

  • Edexcel - Quota Sampling
  • Edexcel - Random sampling
  • Edexcel - Startified Sampling
  • Edexcel - Systematic sampling
  • Opportunity Sampling or Convenience sampling
  • Quota sampling
  • Random sampling
  • Startified Sampling
  • Systemnatic Sampling
  • Videos
  • Core Maths- Simple Random Simple
  • Core Maths - Startified Sample
  • Statistics Sampling Methods

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  • 14.2A