# Category: Math

Here, you will find resources on O Level and A Level Mathematics resources.

## Correlation and Linear Regression

In this post, we’ll look at correlation and linear regression as tested in H2 A Level Math section on statistics. Here, you’ll what is correlation, regression, product moment correlation coefficient (r), how to use the graphic calculator Ti84 to do a least square regression.

## Hypothesis Testing

In this post, you’ll learn how to do a hypothesis testing for mean, using both the p-test method and the z-test (test statistics) method.

## Sampling

In this post, we’ll look at common concepts tested in sampling for H2 A Level Math, which include types of samples, central limit theorem, … …

## Normal Distribution

In this post, we’ll look at common concepts tested in normal distribution for H2 A Level Math.

## Binomial Distribution

A binomial distribution is a probability distribution that describes the number of successes in a given number of independent trials. The conditions needed for a…

## Discrete Random Variables (DRV)

A discrete random variable is one that takes discrete value e.g. 1, 2.4, 3, etc. For example, if a discrete random variable, X, represents the number shown on a dice, then X can only take … ….

## Probability – H2 A Level Exam

In this post, we look at probability concepts tested in the H2 A Level Exam.

## Permutation and Combination (P&C) – H2 A Level Exam

In this post, we look at permutation and combination concepts tested in the H2 A Level Exam.

## Complex Number Notes for H2 A Level Math

In H2 A Level Math, students are tested on complex numbers in cartesian, exponential and trigonometric form.

## Differential Equations

In this differential equation lesson, we’ll look at how to solve the type of differential equation tested in H2 A Level Math – variable separable type.

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