RL Matplotlib Quiz 1

Which of the following are true about Matplotlib

• a python library that contains the functions and utilities for creating and working on graphs and visualization

• Most of the utilities that we require for plotting graphs are under a submodule called pyplot

• The scatter() function draws a line from point to point

• The plot() function draws a line from point to point

the ____() function from the 'plt' module can be used if you wish to view the output of the graph

Which code could have produced this plot ?

• plt.plot([1,2,3,2,6,3,9,1], marker='s', color="g")

• plt.plot([1,2,3,2,6,3,9,1], marker='*', color="m")

• plt.plot([1,2,3,2,6,2,9,1], marker='star', color="pink")

• plt.plot([1,2,3,2,6,3,9,1], marker='star', color="purple")

You can change the font and alignment of the labels on the graph using

• fontdict and loc parameters in the title() function

• fonts and align parameters in the title() function

• fontdict and loc parameters in the plot() function

• fontdict and align parameters in the show() function

With Pyplot, which of the following are NOT true about grids

• You can use the grid() function to add grid lines to the plot

• By default, the grid() function adds both horizontal as well as vertical black plain lines

• The grid lines can be customized in case you wish to view either horizontal or vertical lines

• Setting axis="y" would give lines that run from top to bottom

Choose the correct statements about the subplot function

• To show more than one graphs at a time, you can use the subplot() function

• The subplots() function takes three arguments that describe the layout of the figure

• The first two arguments are the number of columns and rows respectively of the layout.

• The first argument represents the index of the current plot

A _________ is a graph showing frequency distributions. It is a graph showing the number of observations within each given interval.

_______ is a popular library used for data visualization. This is built on top of matplotlib and makes our life easier.

sns.countplot is used for 

• categorical variables

• numeric variables

• continuous variables

• showing the frequency count distribution

The difference between the upper quartile and the lower quartile is called

• whisker

• median

• interquartile range

• percentile