Pupil outcome: I can use my understanding of sampling to solve problems. Key learning points: - Samples can be evaluated to determine the validity of any conclusions. - A suitable sample size can vary, depending on the statistical...

Pupil outcome: I can state the limitations of a sample and the impact of different sample sizes. Key learning points: - A sample can only produce conclusions for that sample. - A different sample may produce different conclusions. - The...

Pupil outcome: I can see why samples are used and why different selection methods exist. Key learning points: - Samples are used when using the whole population would be impractical/destructive. - There are various sampling methods. - A...

This video explains the concept of selection bias and how it can lead to false conclusions. Through examples like the story of Abraham Wald and the Simpson Paradox, it demonstrates the importance of understanding data and selecting...

SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...

In this video, the concept of sampling in statistics is explained using examples of a fitness club and a history exam. The importance of random sampling and avoiding biased samples is emphasized. The video also highlights the...

This video explains how to obtain a random sample from a population using different methods such as drawing names or numbers, using a table of random numbers, or a random number generator on a calculator or computer. It emphasizes the...