Estimated Mean (Calc)

Calculate an estimate of the mean from grouped data using midpoints. This free GCSE Maths module combines short explanations, worked examples, flashcard-style recall, and timed practice so students can revise the topic without creating an account.

Foundation Skills

Midpoints

Use the middle value of each class.

Higher Skills

Σfx / Σf

Multiply midpoints by frequencies and sum them.