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Maths AS-Level Revision Stats (
Maths AS-Level Revision Stats
Data Presentation and Interpretation
Central Tendency and Variation
CGP
Definitions
using tables
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
Estimating Standard dev
Grouped data - estimat the mean
Histrograms
Linear Interpolation
Videos
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
CGP Questions
13.A
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
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
Hypothesis
Questions
CGP Questions
Ch7 Hypothesis Testing
S2 Hypothesis Testing
S2 Hypothesis Testing - test on normal mean
14.2A
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
13.3A
CGP Exam Questions
Ch.1 Binomial Distribution
Exam Questions WEB
Snippets
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
Videos
Introducing the Binomial Distrubtion
Solving a Binomial problem for an exact value
Example Questions
formula - Binomial Distribution
Binomial Distribution (Introduction)
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