Edexcel A Level

Solution of a first order differential equation
3 Topics
Solving a Differential Equation by separating the variables (1)
Solving a Differential Equation by separating the variables (2)
Solving a Differential Equation by separating the variables (3)
Statistics and Mechanics - Paper 3
Regression lines (change of variable)
5 Topics | 3 Quizzes
Correlation – What is it?
Linear Regression Bronze
Pearson’s Product Moment Correlation Coefficient on the Casio fx-991EX ClassWiz Calculator
Regression for y on x on a Casio Classwiz calculator
Linear Regression Silver
Linear Regression Gold
Regression | Explanatory and Response variables
Regression – Reliability of a prediction
Hypothesis test for correlation
1 Topic
Hypothesis Testing for Zero Correlation
Measures of central tendency and variation
12 Topics | 5 Quizzes
How to find the Mean in Statistics as a measure of central location
Median, Quartiles and Interquartile Range
Calculating the Mean from frequency tables
Skewness – How the mean, median or quartiles compare 
Box and Whisker Plots – Skewness and Outliers
Cumulative Frequency Curves – What do they mean and how to draw them
Cumulative Frequency (Quartiles) – Bronze
Cumulative Frequency & Box Plots – Bronze II
Class intervals in grouped frequency tables – common misconceptions
Casio fx calculators : Mean from Grouped Frequency Tables
Estimating median, quartiles, percentiles from a grouped frequency table
Standard Deviation | What is it and how to work it out
Standard Deviation from frequency tables
Calculating Mean and Standard Deviation (Exam question using test statistic)
Grouped Data Bronze
Grouped Data Silver
Grouped Data Gold
Probability and Venn diagrams
9 Topics | 3 Quizzes
Venn Diagrams – Introduction
Venn Diagrams – Algebraic type
Venn diagrams – 3 set problem
Venn diagrams – Tricky 3 set problem
3-Way Venn Diagrams – Algebraic type
Venn diagrams – Notation and Symbols used
Venn diagrams – Shading Regions
Probability Venn Diagram Example
Conditional Probability in Venn Diagrams
Venn Diagrams Bronze
Venn Diagrams Gold
Venn Diagrams Silver
Discrete probability distributions
7 Topics | 3 Quizzes
Binomial Distribution (Introduction)
Binomial Distribution formula
Binomial Distribution examples
Binomial Probabilities on the Casio fx-991EX ClassWiz Calculator
Cumulative Binomial Probabilities on the Casio fx-991EX ClassWiz Calculator
Binomial Distribution – Cumulative Probability Tables
Binomial Distribution Bronze
Binomial Distribution Silver
Binomial Distribution – Mean, Variance
Binomial Distribution Gold
Normal distribution
11 Topics | 3 Quizzes
Normal Distribution – Introduction
Normal Distribution | Cumulative Probability | Casio Calculator |
Normal Distribution Bronze
Inverse Normal Distribution function | Casio Calculator |
Normal Distribution Silver
Standard Normal Distribution Z~N(0,1) | Calculating Probabilities |
Normal Distribution | Calculating Probability using Tables (1 of 4)
Normal Distribution | Calculating Probability using Tables (2 of 4)
Normal Distribution | Calculating Probability using Tables (3 of 4)
Normal Distribution | Calculating Probability using Tables (4 of 4)
Normal Distribution | Finding the Mean µ using tables or calculator (1 of 2)
Normal Distribution | Finding the Mean µ using tables or calculator (2 of 2)
Normal Distribution | Finding the Standard Deviation using tables or calculator
Normal Distribution Gold
Normal approximation
2 Topics
Normal approx to the Binomial Distribution
Normal Approximation to Binomial distribution (Continuity Corrections)
4 of 7
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Normal Distribution | Cumulative Probability | Casio Calculator |

Edexcel A Level Normal distribution Normal Distribution | Cumulative Probability | Casio Calculator |

The Casio Classwiz calculator has many functions but the one shown in this video is the Normal CD (normal cumulative distribution) function. It gives the probability of a random variable lying in a given interval.

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