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Obtain the trend values for the above data using 3-yearly moving averages. - Mathematics and Statistics

Sum

Obtain the trend values for the above data using 3-yearly moving averages.

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Solution

Construct the following table for obtaining 3-yearly moving averages for the data in problem 7.

Year
t
Production
yt
3–yearly
moving total
3–yearly moving averages trend value
1976 0
1977 4 8 2.6667
1978 4 10 3.3333
1979 2 12 4
1980 6 16 5.3333
1981 8 19 6.3333
1982 5 22 7.3333
1983 9 18 6
1984 4 23 7.6667
1985 10 24 8
1986 10
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