This set of Data Science Multiple Choice Questions & Answers (MCQs) focuses on “Plotting Systems”.
1. Which of the following block information is odd man out in the below figure ?
a) Scatterplots
b) 5 number summary
c) 2D Graph
d) None of the mentioned
View Answer
Explanation: 5 number summary is one dimensional graph.
2. Which type of graph is shown in the following figure ?
a) Scatterplot
b) Barplot
c) Overlaying
d) None of the Mentioned
View Answer
Explanation: A bar plot represents an estimate of central tendency for a numeric variable with the height of each rectangle.
3. Which of the following annotation function is used to add or modify text ?
a) word
b) graph
c) lines
d) all of the Mentioned
View Answer
Explanation: points and axis are other well known annotation function.
4. Which of the following package is implemented by lattice plotting system ?
a) grDevices
b) grid
c) graphics
d) all of the Mentioned
View Answer
Explanation: Use grid on to display the major grid lines.
5. Point out the wrong statement:
a) Plot are created with multiple functions only
b) Plots are created with both single and multiple function calls
c) Annotation in plot is not especially intuitive
d) None of the Mentioned
View Answer
Explanation: Plots are created with single function also.
6. Which of the following parameter defines line type such as dashed and dotted ?
a) lty
b) pch
c) lwd
d) all of the Mentioned
View Answer
Explanation: lwd is used for line width.
7. The core plotting engine is encapsulated in graphics package.
a) True
b) False
View Answer
Explanation: graphics package contain plotting functions.
8. Which of the following argument specifies margin size with regards to par function ?
a) las
b) bg
c) mar
d) All of the mentioned
View Answer
Explanation: par function is used to specify global parameters.
9. How many stages commonly occurs in creation of plot ?
a) 2
b) 5
c) 8
d) All of the Mentioned
View Answer
Explanation: The base plotting system is highly flexible.
10. Base graphics are used most commonly for creating 2D graphics.
a) True
b) False
View Answer
Explanation: Base graphics is very powerful system for creating 2D graphics.
Sanfoundry Global Education & Learning Series – Data Science.
Here’s the list of Best Reference Books in Data Science.
