Consider this table and graph showing the value of crustacean
exports over an
eight-year period.
a. In which two years were there spikes? (Level 1,
Sta3.2.1.14)
b. Calculate the moving means of order 3 for this data. (Level 2,
Sta3.2.2.3)
c. Draw the moving mean graph. (level 3, Sta3.2.3.2)
Homework Answers
(a) 1986/87 and 1991/92
(b)
| Period | Demand | Forecast | |
| Period 1 | 79.2 | ||
| Period 2 | 85.5 | ||
| Period 3 | 108.3 | ||
| Period 4 | 89 | 91 | |
| Period 5 | 73.7 | 94.26667 | |
| Period 6 | 84.9 | 90.33333 | |
| Period 7 | 87.4 | 82.53333 | |
| Period 8 | 117.9 | 82 |
(c) The graph is:
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Consider this table and graph showing the value of crustacean
exports over an
eight-year period.
a....
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2000
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