Scatter Graphs | GCSE Maths Grade 4 Walkthrough

Scatter graphs step by step - the type of correlation, describing the relationship, finding an outlier, drawing a line of best fit and estimating from it, then judging what a scatter graph shows: outliers, estimates outside the data, and why correlation does not prove that one thing causes the other. All 20 questions on the GCSE Grade 4 Scatter Graphs worksheet, worked through step by step. 📄 Download the free worksheet (exam style, answers included): https://effectiveeducation.online/wor... ✏️ Then practise with GCSE-style questions that mark your answers instantly: https://effectiveeducation.online In this video: • The type of correlation: positive, negative or none • Describe the relationship in a sentence that names both things • Outliers: write down their coordinates and say how they are different • Draw a line of best fit and estimate from it • Judging a scatter graph: outliers, estimates outside the data, correlation is not causation • Exam-style problems: a swimming pool, fish, bikes, swim times and trees Chapters: 0:00 Q1 Positive correlation 0:19 Q2 Negative correlation 0:37 Q3 No correlation 0:56 Q4 Describe the relationship 1:28 Q5 Coordinates of an outlier 1:52 Q6 Draw a line of best fit, then estimate 2:29 Q7 Estimate a floor area 2:54 Q8 Estimate battery life 3:19 Q9 Estimate the cost of posting 3:47 Q10 Plot two points, then estimate 4:29 Q11 How is the outlier different? 4:54 Q12 Does an outlier mean no correlation? 5:34 Q13 Estimate, then a prediction outside the data 6:10 Q14 Correlation is not causation 6:45 Q15 Two things wrong with a scatter graph 7:14 Q16 Outlier, estimate and a claim 8:08 Q17 Fish: correlation, best fit, estimate 8:48 Q18 Bikes: outlier, relationship, estimate 9:39 Q19 Swim times: why an outlier, outside the data 10:23 Q20 Trees: describe, then estimate #GCSEMaths #ScatterGraphs #MathsRevision