Chi-Square Test For Goodness of Fit Q) . A statistical model was built for predicting reconviction based on three years of post-prison follow up of 347 men who had been imprisoned for crimes against persons or property. It was possible to classify the prisoner as having either low risk, medium risk or high risk of re-offending. To see how useful the classification was a further 225 prisoners were studied on leaving prison. The results are shown in the table below. Risk group Low Medium High Total Reconvicted 23 50 53 126 Not reconvicted 52 25 22 99 Total 75 75 75 225 Is there an associat ...
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