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प्रश्न
Mention the components of the time series
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उत्तर
There are four types of components in a time series.
They are as follows:
(i) Secular Trend
(ii) Seasonal variations
(iii) Cyclic variations
(iv) Irregular variations
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संबंधित प्रश्न
Define Time series
What is the need for studying time series?
Explain the method of fitting a straight line
Find the trend of production by the method of a five-yearly period of moving average for the following data:
| Year | Production ('000) |
| 1979 | 126 |
| 1980 | 123 |
| 1981 | 117 |
| 1982 | 128 |
| 1983 | 125 |
| 1984 | 124 |
| 1985 | 130 |
| 1986 | 114 |
| 1987 | 122 |
| 1988 | 129 |
| 1989 | 118 |
| 1990 | 123 |
Choose the correct alternative:
A time series consists of
Choose the correct alternative:
Factors responsible for seasonal variations are
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What is the sum of the first 50 terms of the series (1 × 3) + (3 × 5) + (5 × 7) + ...?
