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So here is a cheeky question with regards to cryptography, its the basis of public key encryption in Cryptography. I had a student asked about cryptography once, its a really interesting and [...]

Today we shall look at the first sampling method we introduced: Simple Random Sampling. Recall that we mentioned that this is the most basic form of probability sampling since it provides the [...]

So recall that we are interested on the statistical aspects of taking and analysing a sample, and a good sample will be representative in the sense that characteristics of interest in the [...]

I’ll dive straight into what is customer analytics using an example. Consider that Pixar calls me and says about a Disney film, that they want to for instance, predict how many people are [...]

Since I’m at the topic of Vectors for most of my JC1 classes, I thought I share an interesting question regarding it. Yes, some students do tell me the questions aren’t really [...]

This is a new series (this is essentially post-graduate materials, meaning you need strong statistical background at university level) on Sampling and Survey. I know many JC students will think, [...]

The Application Question (AQ) has always been a struggle for many students who were first introduced to this in J1. Many students perhaps accustomed to scoring 2-3 marks for this section (out of [...]

Science and Technology has always been a popular topic among students taking the A levels. Students always think that they know a lot about this topic given their association with technology on a [...]

Here is a simple and interesting algebra question for the weekend and to chase the monday blues away 🙂 Suppose How many possible pairs of m & n are there?

The following is a collection of simple codes I wrote for Python while doing a Rice University Course on Coursera. 🙂 Rock, Paper, Scissors, Spock Guess The Number Game Stopwatch: The Game Pong [...]