Tutorial 7

Q1.4

No = 101

Yes =103

Q1.5 (Mean Age)

No = 7.644

Yes = 8.146

Q1.6

We have similar age range for both native speaker = Yes or No

Q1.9

Accuracy of model 1 is 75.61%

Q1.10

Accuracy of model 2 is 95.12%

Q1.11

The accuracy for model 1 (Decision Tree) is 75.61% while the accuracy for model 2 (Random Forest) is 95.12%. Random Forest is a better model and is the preferred model.

Model 1

Model 2