# Year Eight Mathematics Worksheets

Math is a fascinating subject that helps us understand the world around us in a deeper and more meaningful way. One important aspect of mathematics is statistics, which helps us make sense of data and understand how things are related to each other.

When we want to study a group of things, such as people, animals, or objects, we need to define what we mean by “group”. In statistics, we use the terms “population” and “sample” to refer to two different ways of looking at a group.

Population

The population is the entire group of things that we are interested in studying. For example, the population might be all the students in a school, all the trees in a forest, or all the cars on the road. The population is the entire set of data that we want to know about.

Sample

A sample is a smaller group of things taken from the population. The sample is used to represent the population and help us understand what the population is like. For example, we might take a sample of 10 students from the school to represent the entire population of students. We might take a sample of 100 trees from the forest to represent the entire population of trees.

**Why Use a Sample?**

It is not always possible or practical to study the entire population. Studying a sample can help us get a good understanding of the population without having to look at all the data. A sample can also help us save time and resources.

**How to Choose a Sample**

Choosing a good sample is important because it will help us get a good representation of the population. There are many ways to choose a sample, but some of the most common methods include random sampling, stratified sampling, and cluster sampling.

Random sampling involves selecting a sample of the population at random. This means that each member of the population has an equal chance of being selected.

Stratified sampling involves dividing the population into groups based on certain characteristics and then selecting a sample from each group.

Cluster sampling involves dividing the population into groups or clusters and then selecting a sample of clusters to represent the entire population.

**Conclusion**

Understanding the difference between population and sample is an important part of learning statistics. By studying a sample of a population, we can get a good understanding of what the entire population is like without having to study all the data. Choosing a good sample is important because it will help us get a good representation of the population.

# Year Eight Math Worksheet for Kids – Population vs. Sample

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