Weka and Written Exercise Tasks 2022

Running head: WEKA AND WRITTEN EXERCISE
1
Weka and Written Exercise
Name
Institution
Date

WEKA AND WRITTEN EXERCISE 2
Weka and Written Exercise
Task 1
a) There are 768 instances and 9 attributes in the dataset
b) As shown in Figure 1, there are two classes in the dataset (tested_negative and
tested_positive). Tested_negative has 500 instances while tested_positive has 268
instances.
Figure 1: Illustration of classes and Instances in the dataset
c) The age group with the highest number of samples is 21-25.615 as shown in Figure 2
below.

WEKA AND WRITTEN EXERCISE 3
Figure 2: Histogram of Age Groups
Task 2
a) Figure 3 shows initial iris.arff (starting dataset)
Figure 3: iris.arff Initial Dataset