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(All the revision notes I took) I hope these can help someone because there's barely anything out there for it :) - Danica

Explore key concepts in confidence intervals, normal distribution, and correlation in this comprehensive summary. Understand the sampling distribution, standard error, and how to calculate z-scores and probabilities. Ideal for AQA Level 3 Mathematical Studies students preparing for exams.

Confidence Intervals & Normal Distribution

Revision note

danica

AQA Paper 2A Core Maths Notes

Explore the concept of standard deviation in biological data analysis. This summary provides a step-by-step guide on calculating standard deviation, illustrated with an example involving holly leaf measurements at different tree heights. Understand how standard deviation reflects data precision and variability, essential for interpreting biological research. Suitable for biology and statistics students.

Calculating Standard Deviation

Ffion

Study note

English (US)

standard deviation 

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Variance and Standard Deviation practice (homework answers Pearson Edexcel)

Explore the essential concepts of variance and standard deviation through practical examples and calculations. This resource covers summary statistics, descriptive statistics, and provides step-by-step solutions to common problems, making it ideal for students preparing for Pearson Edexcel assessments.

Calculating Variance & Standard Deviation

Exam Practice

Lucía 

Variance and Standard Deviation 

Explore essential statistics concepts for Edexcel Year 12, including scatter plots, measures of central tendency, probability distributions, hypothesis testing, and sampling methods. This summary covers key topics such as binomial distribution, linear regression, and data visualization techniques like histograms and box plots. Ideal for students preparing for exams or seeking a solid foundation in statistics.

Normal distribution (a level only)

4 best study notes in Normal distribution (a level only)