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. What will be output for the following code?

import numpy as np 

dt = np.dtype([('age',np.int8)]) 

a = np.array([(10,),(20,),(30,)], dtype = dt) 

print a['age']

[[10 20 30]]
[10 20 30]
[10]
Error

2. Result disproves the assumption is known as?

Null Hypothesis
Alternate Hypothesis
Immediate Hypothesis
All of the above

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

industry statistics
economic statistics
applied statistics
applied statistics

4. Which of the following is correct method to solve matrix equations?

Row Echelon Form
Inverse of a Matrix
Both A and B
None Of the above

5. Different learning methods does not include?

Introduction
Analogy
Deduction
Memorization

6. Which of the following is false?

Order of matrix : If a matrix has 3 rows and 4 columns, order of the matrix is 3*4 i.e. row*column.
Row matrix : A matrix consisting only of columns.
Column matrix : The matrix which consists of only 1 column.
Row matrix : A matrix consisting only of row.

7. To find the minimum or the maximum of a function, we set the gradient to zero because:

The value of the gradient at extrema of a function is always zero
Depends on the type of problem
Both A and B
None of the above

8. In SciPy, determinant is computed using?

determinant()
SciPy.determinant()
det()
SciPy.det()

9. Which of the following focuses on the discovery of (previously) unknown properties on the data?

Data mining
BigData
Data wrangling
Machine Learning

10. Raw data should be processed only one time.

True
False
Can be true or false
Can not say

Results