Exercise

# A comprehensive time series diagnostic

Each plotting function that you've learned so far provides a different piece of insight about a time series. By putting together the histogram, the box and whisker plot, the autocorrelogram, and the q-q plot, you can gather a lot of useful information about time series behavior.

In this exercise, you will explore the ExxonMobil return data in the `rtn`

series available in your workspace.

Instructions

**100 XP**

- Draw a histogram of
`rtn`

, scale it to a probability density, and add a red line to the plot showing the density of`rtn`

- Draw a boxplot of
`rtn`

- Draw an autocorrelogram of
`rtn`

- Draw a q-q plot of
`rtn`

and add a red reference line showing the normal distribution