Math Is Fun Forum

Mellyyy

Guest

Time Series

For the following time series:

75, 83, 100, 90, 103, 112, 98, 110

a) find the fourth moving average of order 2

b) find the third moving average of order 4

John E. Franklin

Member

Registered: 2005-08-29

Posts: 3,588

Re: Time Series

Here are the moving averages of order 2:
1st:(75+83)/2
2nd:(83+100)/2
3rd:(100+90)/2
4th:(90+103)/2
5th:(103+112)/2
6th:(112+98)/2
7th:(98+110)/2
Here are the 5 moving averages of order 4:
1st:(75+83+100+90)/4
2nd:(83+100+90+103)/4
3rd:(100+90+103+112)/4
4th:(90+103+112+98)/4
5th:(103+112+98+110)/4

Last edited by John E. Franklin (2008-08-05 10:21:59)

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