Standard deviation is the process that involves calculating the squared difference between each data point and the mean, summing those squared differences, dividing by the number of data points, and then taking the square root of the result. Standard deviation is useful in various fields, such as statistics, finance, and… Continue reading Mastering standard deviation: a step-by-step guide
As expected, the summer 2023 GCSE and A-Level grade attainments dropped significantly compared to summer 2022. This is due to grade boundaries returning to pre-pandemic levels for the first time since 2019. For example, the raw mark needed to pass GCSE Edexcel foundation maths in 2022 was 135. This shot… Continue reading GCSE and A-Level Results 2023
In previous blogs, we’ve looked at some interesting integer sequences. We’ve looked at the Fibonacci sequence, the Look-and-say sequence, Golomb’s sequence and Van Eck’s sequence. Today, we’re looking at the Lazy Caterer’s sequence.You can find this sequence on the Online Encyclopedia of Integer Sequences here. How to generate the sequence… Continue reading The Lazy Caterer’s Sequence
It’s nearly time for students in Bristol to go back to school for another academic year. In this blog, I will be looking at the state-funded schools in Bristol and ranking them based on KS4 (GCSE) attainment in maths. Obviously there are many other factors to consider when choosing a… Continue reading Ranking Bristol’s secondary schools by GCSE maths attainment
In this blog, I’m going to use mathematics to calculate the arc length of Bristol’s most famous piece of engineering, The Clifton Suspension Bridge. All of the methods used appear in GCSE maths.The Clifton Suspension Bridge opened in 1864 and was originally designed by Isambard Kingdom Brunel however sadly he… Continue reading Calculating the arc length of the Clifton Suspension Bridge
