Statistics: A Complete GCSE Mathematics Guide
What is Statistics?
Statistics is the science of collecting, organizing, analyzing, and interpreting data to make informed decisions.
Key Concepts
- Data collection and presentation
- Measures of central tendency (mean, median, mode)
- Measures of dispersion (range, variance, standard deviation)
- Data analysis (frequency tables, histograms, scatterplots)
Practice Problems
Example 1: Calculating Mean
Find the mean of the following data: 5, 8, 12, 14, 17
Solution: (5 + 8 + 12 + 14 + 17) / 5 = 11.2Exam Tips
- Understand the different types of data and how to present them
- Practice calculating measures of central tendency and dispersion
- Become familiar with data analysis techniques
- Review past exam papers and work through sample questions
FAQ
What is the difference between mean and median?
Mean is the average value of a set of data, while median is the middle value when the data is arranged in order.