Using the McDonals.xlsx dataset, create scatter plot that depicts
the relationship between Average Frequency and Income. Note that this is
the frequency in which a person visits McDonalds per week.

- The downward trend of the linear regression line indicates that
lower income earners visit Mcdonalds more.
Using the Dow.xlsx dataset, create a line chart that depicts the
average return (y axis) by month (x axis). The grade is heavily weighted
on the one sentence takeaway.
- A higher average return was experienced during the first half of the
year compared to the second half of the year.