PYTHON DATA SCIENCE QUIZ DESCRIPTION

Choose whether the following statement is true or false:  Time deltas are differences in times, expressed in difference units

  • True

  • False

The modern conception of data science as an independent discipline is sometimes attributed to?
 

  • William S.
     

  • John McCarthy
     

  • Arthur Samuel
     

  • Satoshi Nakamoto

Data science is the process of diverse set of data through ?
 

  • organizing data
     

  • processing data
     

  • analysing data
     

  • All of the above

Which of the following language is used in Data science?
 

  • C
     

  •  C++
     

  • R
     

  •  Ruby

Among the following, choose the correct application of data science in Healthcare.

  • Data science for genomics
     


  • Data science for medical imaging
     


  • Drug discovery with data science
     


  • All of the above

Which of the following step is performed by the data scientist after acquiring the data?

  • Data Replication
     

  •   Data Integration
     

  •    Data Cleansing
     

  •   All of the Mentioned

What does K stand for in K mean algorithm?

  • number of clusters
     


  • number of data
     


  • number of attributes
     


  • Number of iterations

What will be the output of the following code?
 

  • 0

  • 1

  • 3

  •     None of the above

Which is one of the significant data science skills?

  • Statistics
     

  •   Data Visualization
     

  •   Machine Learning
     

  •   All of the above

Which of the following architecture is also known as systolic arrays?

  • MISD
     


  • SISD
     


  • SIMD
     


  • None of the above

Among the following identify the one in which dimensionality reduction reduces.

  • Performance
     


  • Entropy
     


  • Stochastics
     


  • collinearity

Choose a disadvantage of decision trees among the following.

  • Decision trees are robust to outliers
     


  • factor analysis
     


  • decision trees are prone to overfit
     


  • All of the above

Raw data should be processed only one time.
 

  • True
     

  • False
     

  • Can be true or false
     

  • Can not say

The modern conception of data science as an independent discipline is sometimes attributed to?

  • John McCarthy
     

  •   Arthur Samuel
     

  •    William S.
     

  •  Dennis Ritchie

Choose the instance-based learner.

  • Eager learner
     


  • lazy learner
     


  • both a and b are correct
     


  • none of the above

Knowledge in AI can be represented as?

  • Predicate Logic
     


  • Propositional Logic
     


  • Both A and B
     


  • None of the above

Identify the activation function output which is zero centered

  • Hyperbolic tangent
     


  • Rectified linear unit
     


  • Sigmoid
     


  • Softmax

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

A matplotlib function used to create a line chart is

  • Line

  • Graph

  • bar

  • plot

A series is a one-dimensional array which is labelled and can hold any data type.

  • True

  • False

Choose the correct components of data science.

  • domain expertise
     

  • data engineering
     

  • advanced computing
     

  • all of the above
     

Which role do internet technologies and the “IoT” play in the context of industry 4.0? 

  • They form the base for an environmental friendly production.
     

  • form among others the base for corporate communication
     

  •  They form the base to connect everyday items.
     

  •     All of the above

How many types of observing environments are there?

  • 2

  • 3

  • 0

  • 1

Choose whether the following statement is true or false:  Unstructured data is not organized

  • True
     


  • False
     

  • maybe true or false
     

  • cannot be determined

A column is a  _________- representation of data.

  • Diagonal
     

  • Vertical
     

  • Top
     

  • Horizontal

Which of the following is a key characteristic of a hacker?
 

  • Afraid to say they don't know the answer
     

  • Willing to find answers on their own
     

  • Not Willing to find answers on their own

     

  •  All of the above
     

To find the maximum number in the Numpy array, we use 

  • max(array)
     

  •   array.max() 
     

  •    array(max)
     

  •    None of the above

Among the following options choose which one of the following focuses on the discovery of unknown properties on the data.

  • Big data
     


  • Data mining
     


  • Machine learning
     


  • Data wrangling

Another name of data dredging is

  • Data booting
     


  • Data bagging
     


  • Data snooping
     


  • Data merging

Which of the following is correct skills for a Data Scientist?

  • Probability & Statistics
     

  •  Data Engineering
     

  •    Machine Learning / Deep Learning
     

  • All of the above