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Which is the most important thing to ensure while collecting data?

A.

samples collected are skewed with each other

B.

samples collected are all strongly correlated with each other

C.

samples collected adequately cover the space of all possible scenarios

D.

samples collected focus only on the most common cases

What is the meaning of "deep" in deep learning?

A.

To go deep into the loss function landscape.

B.

The higher the number of machine learning algorithms that can be applied, the deeper is the learning.

C.

A kind of deeper understanding achieved by any approach taken.

D.

It indicates the many layers contributing to a model of the data.

If the distribution of the height of American men is approximately normal, with a mean of 69 inches and a standard deviation of 2.5 inches, then roughly 68 percent of American men have heights between and .

A.

64 inches and 74 inches

B.

66.5 inches and 69 inches

C.

71.5 inches and 76.5 inches

D.

66.5 inches and 71.5 inches

Which IBM Watson Machine Learning deployment method offers the ultimate flexibility in deploying a machine learning model?

A.

Watson Machine Learning Python client

B.

Watson Machine Learning FORTRAN client

C.

Watson Studio Project

D.

Watson Machine Learning REST API

Which algorithm is best suited if a client needs full explainability of the machine learning model?

A.

decision tree

B.

logistic regression

C.

support vector machine (SVM)

D.

recurrent neural network

What statement is true about UTF-8?

A.

It is encoding for Latin script.

B.

It is rarely used today.

C.

It is encoding for Unicode characters.

D.

It is equal to ASCII.

The formula for recall is given by (True Positives) / (True Positives + False Negatives). What is the recall for this example?

A.

0.2

B.

0.25

C.

0.5

D.

0.33

In machine vision, the algorithm for detecting objects or features in an image based on a target pattern is known as?

A.

OCR

B.

Hough transformation

C.

Fourier transform

D.

normalized correlation

Given two multidimensional arrays of the same data type, A and B which two Python NumPy statements give the matrix product of the two matrices? (Choose two.)

A.

A @ B

B.

A × B

C.

A * B

D.

np.matprod(A,B)

E.

np.dot(A,B)

With the help of AI algorithms, which type of analytics can help organizations make decisions based on facts and probability-weighted projections?

A.

prescriptive analytics

B.

cognitive analytics

C.

predictive analytics

D.

descriptive analytics