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By the end of this unit, students will be able to:
understand the purpose of scatter diagrams and correlations in data analysis;
create scatter diagrams to visually represent data relationships;
calculate and interpret correlation coefficients to determine the strength and direction of relationships.
National Curriculum Objectives
Key Stage 4: Statistics
use and interpret scatter graphs of bivariate data; recognise correlation and know that it does not indicate causation; draw estimated lines of best fit; make predictions; interpolate and extrapolate apparent trends whilst knowing the dangers of so doing.
