WorksheetsData Science Quiz - WiDS Bangalore @ IBM, 10th Feb 2021
Total questions: 15
Worksheet time: 9mins
Which of the following is an example of raw data?
Original swath files generated from a sonar system
Initial time-series file of temperature values
A real-time GPS-encoded navigation file
All of the above
Point out the correct statement:
Preprocessed data is original source of data
Raw data is original source of data
Raw data is the data obtained after processing steps
None of the mentioned
What is the primary role of Data Architect?
Utilize large data sets to gather information that meets their company's needs.
Work with businesses to determine the best usage of the information yielded from data.
Build data solutions that are optimized for performance and design applications.
All of the above
Pandas is an open-source _______ Library?
Ruby
Javascript
Java
Python
Pandas key data structure is called?
Keyframe
DataFrame
Statistics
Econometrics
Which of the following is correct skills for a Data Scientist?
Probability & Statistics
Machine Learning / Deep Learning
Data Wrangling
All of the above
Suppose that price of 2 ball and 1 bat is 100 units, then What will be representation of problems in Linear Algebra in the form of x and y?
2x + y = 100
2x + 2y = 100
2x + y = 200
x + y = 100
Which of the following language is mostly used in Data science?
C
C++
Python
Ruby
SciPy stands for?
Science library
Source library
Significant library
Scientific library
Data can be visualized using?
graphs
charts
maps
All of the above
Which of the following are the Data Sources in data science?
Structured
UnStructured
Both A and B
None Of the above
Which of the following step is performed first by data scientist after acquiring the data?
Data Cleansing
Data Integration
Data Replication
All of the Mentioned
All data is labeled and the algorithms learn to predict the output from the input data
Dataset
Supervised learning
Unsupervised learning
Classifiers
Where the observer rewards the agent for correct responses
Decision tree learning
Reinforcement learning
Predictive models
Sentiment analysis
Which of the following is a widely used and effective machine learning algorithm based on the idea of bagging?
Decision Tree
Regression
Classification
Random Forest
