QUESTION 1

1. Suppose we have the following values 2; 21; 37; 62; 2; 12; 25; 26; 14 .The median value of the given dataset is:

		12
		26
		21
		23

0.5 points

QUESTION 2

1. Suppose we have the following values 2; 21; 42; 62; 2; 12; 25; 32; 12. The mode type of the given data set is:

		Unimodal
		No modal
		Bimodal
		Trimodal

0.5 points

QUESTION 3

1. Suppose we have the following values 2; 21; 37; 62; 2; 12; 25; 26; 14 . The inter-quartile range of the given data is:

		24
		20
		14
		5

0.5 points

QUESTION 4

1. Suppose we have the following values 2; 21; 37; 62; 2; 12; 25; 26; 14. . The outlier of the given data is:

		2
		62
		a & b
		No outliers

0.5 points

QUESTION 5

1. using the table and decision tree classification model

age	income	student	credit_rating	buys_computer
<=30	low	yes	fair	No
<=30	medium	yes	excellent	No
>40	low	yes	fair	Yes
>40	medium	no	fair	Yes
>40	medium	yes	fair	No
3140	high	no	fair	Yes
3140	high	yes	fair	Yes
3140	low	yes	excellent	No
3140	medium	no	excellent	Yes
<=30	high	no	excellent	No
<=30	low	no	fair	Yes
<=30	medium	no	fair	No
>40	low	yes	excellent	Yes

3. The root Gini Index of the labeled class buys_computer is :

		0.46
		0.5
		0.53
		0.47

0.5 points

QUESTION 6

1. Suppose we have the following values 2; 21; 37; 62; 2; 12; 25; 26; 14. The mean value of the given dataset is:

		23.6
		22.3
		26.6
		25.1

0.5 points

QUESTION 7

1. The supervised learning model where the training data are accompanied by labels indicating the class of the observations; an example of the supervised learning model is:

		Cross validation
		Nave bayes
		Hold-out
		None of the above

0.5 points

QUESTION 8

1. Suppose we have the following values 2; 21; 37; 62; 2; 12; 25; 26; 14. . The five data summary of the given data is:

		2;2;26;26;62
		2;12;21;25;62
		2;12;21;37;62
		2;2;21;26;62

0.5 points

QUESTION 9

1. Suppose we have the following values 2; 21; 37; 62; 2; 12; 25; 26; 14 . The mode value of the given dataset is:

		12
		6
		2
		62

0.5 points