Data Science

Exploratory Graphs

Question 1
Marks : +2 | -2
Pass Ratio : 100%
Which of the following gave rise to need of graphs in data analysis?
Data visualization
Communicating results
Decision making
All of the mentioned
Explanation:
A picture can tell better story than data.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
Which of the following graph can be used for simple summarization of data?
Scatterplot
Overlaying
Barplot
All of the mentioned
Explanation:
A bar chart or bar graph is a chart that presents Grouped data with rectangular bars with lengths proportional to the values that they represent.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
Spinning plots can be used for two dimensional data.
True
False
Explanation:
There are many ways to create a 3D spinning plot as well.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
Which of the following dimension type graph is shown in the below figure?
one-dimensional
two-dimensional
three-dimensional
none of the mentioned
Explanation:
A two-dimensional graph is a set of points in two-dimensional space.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
Point out the correct statement.
coplots are one dimensional data graph
Exploratory graphs are made quickly
Exploratory graphs are made relatively less in number
All of the mentioned
Explanation:
coplot is used for two dimensional representation.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
Which of the following graphs has properties in the below figure?
Exploratory
Inferential
Causal
None of the mentioned
Explanation:
Making plots of the data reveals various interesting features.
Question 7
Marks : +2 | -2
Pass Ratio : 100%
Which of the following is also referred to as overlayed 1D plot?
lattice
barplot
gplot
all of the mentioned
Explanation:
lattice is an add-on package that implements Trellis graphics.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
Color and shape are used to add dimensions to graph data.
True
False
Explanation:
Graphs are commonly used by print and electronic media.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
Which of the following is characteristic of exploratory graph?
Made slowly
Axes are not cleaned up
Color is used for personal information
All of the mentioned
Explanation:
A large number of exploratory graphs are made.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
Which of the following information is not given by five-number summary?
Mean
Median
Mode
All of the mentioned
Explanation:
The mode is the value that appears most often in a set of data.