For the following stock price one-year percentage changes, plot the data and identify any outliers. Find the

Question:

For the following stock price one-year percentage changes, plot the data and identify any outliers. Find the mean and median.
Intel .......... -6.9%
AT&T ........ 46.5
General Electric ..... 12.1
ExxonMobil ....... 20.7
Microsoft ...... 16.9
Pfizer ........ 17.2
Citigroup ....... 16.5