The table below shows the closing monthly stock prices for Amazon.com and Google during 2011. Calculate the simple three-month moving average for each month for both companies.
AMZN |
GOOG |
169.64 |
600.36 |
173.29 |
613.40 |
180.13 |
586.76 |
195.81 |
544.10 |
196.69 |
529.02 |
204.49 |
506.38 |
222.52 |
603.69 |
215.23 |
540.96 |
216.23 |
515.04 |
213.51 |
592.64 |
192.29 |
599.39 |
173.10 |
645.90 |