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Anscombe's quartet

Built using math.js and pearson-correlation.js, plus some smart stuff from Bostock

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σ2 11 and 4.1
x̄ 9 and 7.5
r = 0.816
y = 0.5x+3

σ2 11 and 4.1
x̄ 9 and 7.5
r = 0.816
y = 0.5x+3

σ2 11 and 4.1
x̄ 9 and 7.5
r = 0.816
y = 0.5x+3

σ2 11 and 4.1
x̄ 9 and 7.5
r = 0.817
y = 0.5x+3