Quadratic regression Calculator

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Analyzes the data table by quadratic regression and draws the chart.

Quadratic regression: y=A+Bx+Cx2
    4. （input by clicking each cell in the table below）
data 
Guidelines for interpreting correlation coefficient r :
　　0.7＜|r|≦1        strong correlation
　　0.4＜|r|＜0.7     moderate correlation
　　0.2＜|r|＜0.4     weak correlation
　　0≦|r|＜0.2         no correlation


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