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Estimates from scatter diagrams
infoWhy this? Using lines of best fit allows us to estimate unknown values from observed relationships. Considering the strength of correlation and the risks of extrapolation helps us judge how much confidence to place in those estimates.
scheduleWhy now? The preceding unit establishes how to recognise and describe association in scatter diagrams. We now use those patterns to make estimates, before extending visual judgements through numerical measures of correlation.
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