Six pupils record the number of hours they revised for a test and the score they gained out of 20.
Hours revised: 1, 2, 3, 4, 5, 6 Test score: 8, 11, 10, 14, 15, 18
Sketch a scatter diagram to display these data.
173 exam-style questions on OCR GCSE Psychology 7.3 Analysing Research, covering 7.3.1 Types of Data, 7.3.2 Measures of central tendency, 7.3.3 Other descriptive statistics, 7.3.4 Tables, Charts and Graphs, 7.3.5 Reliability, 7.3.6 Validity and effects on validity, and 7.3.7 Sources of bias. Each one has a worked solution and a mark scheme showing where the marks go.