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Machine Learning MCQs with answers Page - 2

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M

Mr. Dubey • 51.47K Points
Coach

Q. Which of the following sentences are true?

(A) in pre-pruning a tree is pruned by halting its construction early
(B) a pruning set of class labelled tuples is used to estimate cost complexity
(C) the best pruned tree is the one that minimizes the number of encoding bits
(D) all of the above

M

Mr. Dubey • 51.47K Points
Coach

Q. Which of the following are advantages of stacking?
1. More robust model
2. better prediction
3. Lower time of execution

(A) 1 and 2
(B) 2 and 3
(C) 1 and 3
(D) all of the above

M

Mr. Dubey • 51.47K Points
Coach

Q. Neural networks

(A) optimize a convex cost function
(B) always output values between 0 and 1
(C) can be used for regression as well as classification
(D) all of the above

M

Mr. Dubey • 51.47K Points
Coach

Q. Reinforcement learning is particularly efficient when . . . . . . . .

(A) the environment is not completely deterministic
(B) it's often very dynamic
(C) it's impossible to have a precise error measure
(D) all above

M

Mr. Dubey • 51.47K Points
Coach

Q. Which of the following statement is true about outliers in Linear regression?

(A) Linear regression is sensitive to outliers
(B) Linear regression is not sensitive to outliers
(C) Can't say
(D) None of these

M

Mr. Dubey • 51.47K Points
Coach

Q. Naive Bayes classifiers is . . . . . . . . Learning

(A) Supervised
(B) Unsupervised
(C) Both
(D) None

M

Mr. Dubey • 51.47K Points
Coach

Q. The distance between two points calculated using Pythagoras theorem is

(A) supremum distance
(B) eucledian distance
(C) linear distance
(D) manhattan distance

M

Mr. Dubey • 51.47K Points
Coach

Q. Features being classified is independent of each other in Nave Bayes Classifier

(A) FALSE
(B) a set of data is used to discover the potentially predictive relationship.
(C) ---
(D) ---

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