The following time series graph shows daily closing stock prices for Toyota Motor Manufacturing from April 1, 2008, through June 21, 2013.

a) Which time series components seem to be present? The method of moving averages was applied to these data. Here are time series graphs showing moving average results using two different lengths:

b) In which application is a larger length used?

Transcribed Image Text:

111 91 71 2009 2010 2011 2012 2013 Year Stock Price 120 100 80 60 + 2009 2010 2011 2012 2013 Year 120 100 80 60 + 2009 2010 2011 2012 2013 Year Stock Price Stock Price