Time: 1 hour SET A

E-Miner Mock Exam

NAME:__________________________________ Enroll No._________________________________

Note: All questions are compulsory and carry equal marks with no negative marking.

Important : Circle the right choice

Create a new project with name ‘exam’ and a diagram with name ‘exam’. Create a suitable library with name ‘aaem61’ referring to the same name folder in your VM. Create the following data source with name ‘PVA97NK’ with following settings.

1

Time: 1 hour SET A

Q-1 In the dataset PVA97NK, How many variables have missing value problem?

a) 1 b) 2 c) 3 d) 4

Q-2 In the dataset PVA97NK, Which of the following variables can be considered to have severe departure from normality?

a) GiftAvgAll b) DemAge

c) GiftAvgLast d) PromCnt36

Q-3 The maximum value of the variable DemMedIncome is:

a) 2000001 b) 200001 c) 678988 d) 9876768

Q-4 Of all the missing values of age ____________________ belongs to male category.

a) 40 % b) 34.4 % c) 34 % d) 34.8 %

ATTACH A DECISION TREE NODE TO THE DATASET AND RUN AT ITS DEFAULTS:

Q-5 How many leaves are there in the tree?

a) 18 b) 17 c) 16 d) 8

Q-6 How many nodes have 0% instance of category ‘0’?

a) 0 b) 1 c) 2 d) none

Q-7 The mode of the gender of all the respondents with highest response probability (Predicted Probability: Target for 1) is:

a) M b) F c) U d) none

Q-8 If the cumulative lift at a certain depth is 1.45 then the gain would be:

a) 45 b) 55 c) 35 d) 2.45

2

Time: 1 hour SET A

ADD A REGRESSION NODE TO THE DATA SET AND RUN AT ITS DEFAULTS

Q-9 The Akaike Information Criterion value of the model is:

a) 13326.31 b) 1345.78 c) 23415.78 d) 13325.87

Q-10 The age of the person with highest predicted probability of response is :

a) 87 b) 77 c) 79 d) 81

Q-11 The number of estimated weights for the regression equation is :

a) 83 b) 77 c) 78 d) 81

Q-12 The number of observation used for running the regression is:

a) 9686 b) 4843 c) 5908 d) 2421

ADD A NEURAL NETWORK NODE AND RUN AT ITS DEFAULTS

Q-13 ASE at 40th training iteration of the neural network is:

a) 0.238241 b) 0.237141 c) 0.236241 d) 0.2421

Q-14 The lowest number of wrong classifications are:

a) 4277 b) 4291 c) 583 d) 3708

Q-15 The default neural network has _____________ hidden layers.

a) 1 b) 2 c) 3 d) 6

Q-16 The predicted probabilities for target 1 by neural network are :

a) Slightly right skewed b) Slightly left skewed

c) Heavily right skewed d) Heavily left skewed

3

Time: 1 hour SET A

Add a model comparison node and attach the three models to it:

Q-17 What is the default selection statistics for model comparison node;

a) Misclassification rate b) ASE

c) ROC Index d) Gini

Q-18 The model which has the highest area under the ROC curve is:

a) Neural Network b) Regression

c) Decision tree d) None

Q-19 The model which has the highest cumulative lift at the percentile depth of 40 is:

a) Neural Network b) Regression

c) Decision tree d) None

Q-20 The model which has the highest no. of False Negatives is:

a) Neural Network b) Regression

c) Decision tree d) None

4

Time: 1 hour SET A

Solutions: SET A

Ans:

1. b

2. a

3. b

4. b

5. a

6. b

7. a

8. a

9. a

10. c

11. a

12. c

13.a

14.a

15.a

16.a

17.a

18.a

19.b

20.c

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