It i the smallest value in the data set and corresponds to the value of the left-most end of the whisker. Unless there were outliers, in which case it will be an "X" to the left of the left-whisker.
cos it's a plot it needs to be called a plot
The largest number minus the smallest number.
To plot each value of a vector as a dirac impulse, try stem instead of plot.
The fifth phase of plot is called Denouement and sometimes conclusion
The whole story line is called the plot, and the problem in the plot is the conflict
A summary of a play's plot is sometimes called a synopsis. A scenario