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3 Machine Learning Quiz Questions with Answers explanation, Interview
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__Machine
learning MCQ - Set 22__

__Machine learning MCQ - Set 22__

1. Which of the following classifiers can perfectly classify the following data?

a) Decision tree

b) Logistic regression

c) Gaussian Naïve Bayes

d) All of the above

**Click here to view answer**

### 2. Which is the correct joint distribution for the following Bayesian net?

a) P(A,B,C,D,E) = P(E)P(C)P(D|E)P(A|C)P(B|D,E)

b) P(A,B,C,D,E) = P(A)P(B)P(C|A)P(D|A,B,C)P(E|D)

c) P(A,B,C,D,E) = P(A)P(B)P(C)P(D)P(E)P(E|A,B,C,D)

d) P(A,B,C,D,E) = P(A)P(B)P(D|A,B,C)P(E|D)

**Click here to view answer**

3. For a two class classification problem, which among the following are true?

a) In case both the covariance matrices are spherical and equal, the within class variance term has an effect on the LDA derived direction.

b) In case both the covariance matrices are spherical and equal, the within class variance term has no effect on the LDA derived direction.

c) In case both the covariance matrices are spherical but unequal, the within class variance term has an effect on the LDA derived direction.

d) In case both the covariance matrices are spherical but unequal, the within class variance term has no effect on the LDA derived direction.

**Click here to view answer**

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