Data Science Quiz


Play this quiz that will help you to excel in Data Science certification exams, placements etc. This Data Science quiz consist of 10 questions that you need to solve in 10 minutes. We’ve specially designed this quiz so that you can quickly acquaint to the pattern of questions you can be asked in placement drives, certification exams etc. This Data Science test enables you to assess your knowledge of Data Science.

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Data Science MCQs

Practice Data Science MCQ Questions, which will help you to improve your data science skills and also helps you to prepare for placements, technical rounds, interviews, competitive exams etc.

Data Science Quiz

Try Free Data Science Quiz, to start a quiz you need to login first, after login you will get start quiz button and then by clicking on that you can start quiz. You will get 10 Minutes to answer all questions.

Data Science Quiz

1. Which of the following is not a application for data science?

Recommendation Systems
Image & Speech Recognition
Online Price Comparison
Privacy Checker

2. The model will be trained with data in one single batch is known as ?

Batch learning
Offline learning
Both A and B
None of the above

3. What is true regarding Determinant of a Matrix?

The concept of determinant is applicable to square matrices only.
To find determinant, subtract diagonal elements together.
determinant is a vector value that can be computed from the elements of a Trace matrix
Both A and C

4. The branch of statistics which deals with development of particular statistical methods is classified as

industry statistics
economic statistics
applied statistics
applied statistics

5. What will be output for the following code?

import numpy as np 

a = np.array([1, 2, 3,4,5], ndmin = 2) 

print a

[[1, 2, 3, 4, 5]]
[1, 2, 3, 4, 5]
Error
Null

6. Which of the following areas are affected by BI?

Revenue
CRM
Sales
CPM

7. We write ______ in front of mean to let Python know that we want to activate the mean function from the Numpy library.

npm.
np.
ng.
ngm.

8. Which of the following is false?

Subsetting can be used to select and exclude variables and observations
Raw data should be processed only one time.
Merging concerns combining datasets on the same observations to produce a result with more variables
None Of the above

9. Which of the following statement is true about Business Intelligence?

BI convert raw data into meaningful information
BI has a direct impact on organization's strategic, tactical and operational business decisions.
BI tools perform data analysis and create reports, summaries, dashboards, maps, graphs, and charts
All of the above

10. Why ndim is used?

Returns the number of elements in the underlying data.
Returns the Series as ndarray.
Returns the number of dimensions of the underlying data, by definition 1.
Returns a list of the axis labels

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