In the analysis of quantitative data in social science research, researchers often round statistical values. Which of the following is the mathematical symbol for 'approximately equal to'?
∝\propto∝
≠\neq=
≈\approx≈
≡\equiv≡
513 exam-style questions on OCR A Level Psychology Data recording, analysis and presentation. Each one has a worked solution and a mark scheme showing where the marks go.