Assertion. Line graph is a tool for comparison and is created by plotting a series of several points and connecting them with a straight line.

Reason. You should never use a line chart when the chart is in a continuous data set.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true but R is false.
4. A is false but R is true.

Name the library of which the PyPlot is an interface.

Name the functions to create the following :

(a) line chart

(b) bar chart

(c) horizontal bar chart

(d) histogram

(e) scatter chart

(j) boxplot

(g) pie chart

What is a line chart ?