2) ARFF is an input format used by a. C++ b. Java c. Pascal d. None of the above ) Which of the following lines describes the attribute 'temperature" in an ARFF data file? a. temperature attribute (high, low, very low) b. Attribute temperature: high, low, very low c. attribute temperature (high, low, very low) d. (temperature): high, low, very low 4) A ten folder cross-validation method is a. An evaluation technique to measure the predictive performance of machine leaming models b. A testing technique used to reduce the size of Prolog programs c. A data mining technique to improve calculation speed d. A technique used to estimate the computational complexity of a machine leaming method 5) Regression is a statistical learning approach which can be used when a. Target variables are categorical and continuous b. A cross-validation is used to build the system c. Too little data were used to test the system d. None of the above Ill. Convert this decision tree into a set of classification rules (total: 5 marks) s: Ape :Years in s, Gender s, : Joh type 1B 1.8 1.6 1.4 1.3 1.2