
294 ◾ Corlane Barclay, Andrew Dennis, and Jerome Shepherd
Figure 14.2 Predictions for mathematics and their associated condence
percentages extract.
Table 14.6 DT English Rules—Mathematics
Decision Tree English Rules—Mathematics
1. IF English (A)=Did Not Sit AND age >17 AND Principle of Business=Did
Not Sit THEN Mathematics={PASS: 100%, FAIL: 0%)
2. IF English (A)=Did Not Sit AND age >17 AND Principle of
Business=PASS AND student gender=F THEN Mathematics={PASS:
97%, FAIL: 3%)
3. IF English (A)=Did Not Sit AND age >17 AND Principle of
Business=PASS AND student gender=M THEN Mathematics={PASS:
100%, FAIL: 0%)
4. IF English ...