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Q.1
In regards to separated value files such as .csv and .tsv, what is the delimiter?
Any character such as the comma (,) or tab (\t) that is used to separate the column data.
Any character such as the comma (,) or tab (\t) that is used to separate the row data
Anywhere the comma (,) character is used in the file
Delimiters are not used in separated value files
Q.2
Which of the following methods should be employed in the code to display a plot?
Display()
Show()
Execute()
Plot()
Q.3
What does a typical BI environment comprise of?
Data warehouse
Data mart
OLAP TOOLS
All of the above
Q.4
Which of the following are direct benefits of Business Intelligence?Options
Decision making
Delivers data mining functionality
Artificial intelligence
All of the above
Q.5
Which of the following are BI tools?
Qlik
Siebel
Cognos
All of the above
Q.6
Which of the following takes a dict of dicts or a dict of array-like sequences and returns a DataFrame?
a) DataFrame.from_items
b) DataFrame.from_records
c) DataFrame.from_dict
d) All of the mentioned
Q.7
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
Q.8
________________ in business intelligence allows huge data and reports to be read in a single graphical interface
Warehouse
Reports
OLAP
Dashboard
Q.9
Which of the following is correct Features of DataFrame?
Potentially columns are of different types
Can Perform Arithmetic operations on rows and columns
Labeled axes (rows and columns)
All of the above
Q.10
Which of the following is incorrect file handling mode in Python
r
x
t+
b
Q.11
Which Python Package is used forgraphics?
matplotlib.pyplot
matplotlib.pip
matplotlib.numpy
matplotlib.plt
Q.12
Which of these are considered secondary data?
Both A & B
Data from the textbook
Data from a Youtube interview
Drawing and annotating a field sketch
Q.13
Which of these are considered primary data?
Asking a friend to fill out a survey
Doing an environment perception survey
Counting pedestrians by the street
All Of above
Q.14
The most popular data visualization library in python is _______.
pip
matinfolib
matplotlib
matpiplib
Q.15
Matplotlib is a python interface.
True
False
Q.16
Plot can be saved in a pdf form
True
False
Q.17
Markers are data points in the graph?
True
False
Q.18
______________________ are drawn with respect to the histogram created?
bar plot
Frequency polygon
box plot
none
Q.19
___________plot is also described as five-number summery plot.
Histogram
box plot
frequency polygon
scatter plot
Q.20
________________function is used to create a horizontal bar chart.
barchart()
barh()
bar()
None of the above
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