Population statistics are like crystal balls -- when examined closely, they can help predict a country's future (and give important clues about the past). Kim Preshoff explains how using a visual tool called a population pyramid helps...

Pupil outcome: I can carry out a stratified sample. Key learning points: - A biased sample is not necessarily bad. - You may wish to represent certain groupings in your sample. - The sample from each group is proportional to the group size.

The Capture-Mark-Recapture (CMR) method is an ecological technique used to estimate animal population sizes by capturing, marking, releasing, and later recapturing individuals to analyze the proportion of marked specimens. This...

The Gulf Coast of the United States is a beautiful area with miles of beaches and weather that most regions of the world would love. Despite this, a large section in the middle of the Gulf Coast has very low population compared to Texas...

This video explores the history of voter suppression tactics used against Black voters in the United States, from the Three-Fifths Compromise to Jim Crow laws, poll taxes, and literacy tests. Learn about the barriers Black voters faced...

Who are the Druze?

How Religious is Iceland?

This video explains the science behind fingerprints and why they are so unique and important in criminal investigations. It also explores how technology is using fingerprints for security purposes and how each person's fingerprint...

From the section: Simple Decision trees. In this section, we will start with the basic theory of decision tree then we cover data pre-processing topics like missing value imputation, variable transformation and Test-Train split. In...

In this video, the presenter explains how to measure and assess income inequality using a Lorenz curve and the Gini Index. He breaks down the complicated definitions of the Lorenz curve and simplifies it as a graph indicating income...

If you look at the polls it appears that the Conservatives have a pretty easy route to number 10, with the party outperforming their opposition in essentially all of the polls. However, we wanted to take a moment to question the validity...

This video explains how income inequality can be measured within an economic system using the Lorenz curve and the Gini index. The presenter explains the Lorenz curve and how it visually represents the state of inequality within a...

As of the time of this writing, there are between 186 and 192 countries in the world (depending on who you ask).



In this less-than-serious video, let's take a look at the 50 largest nations and see what makes their economies...

This video explains the concept of grouping in Power BI.
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This clip is from the chapter "Important Topics in Power BI" of the series "Business Intelligence with Microsoft Power BI - with Material".This section covers the most...