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प्रश्न
Choose the correct alternative:
The component of a time series attached to long term variation is trended as
विकल्प
Cyclic variation
Secular variations
Irregular variation
Seasonal variations
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उत्तर
Secular variations
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संबंधित प्रश्न
Mention the components of the time series
Write a brief note on seasonal variations
Explain cyclic variations
Define seasonal index
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 |
Determine the equation of a straight line which best fits the following data
| Year | 2000 | 2001 | 2002 | 2003 | 2004 |
| Sales (₹ '000) | 35 | 36 | 79 | 80 | 40 |
Compute the trend values for all years from 2000 to 2004
Choose the correct alternative:
A time series consists of
Choose the correct alternative:
Factors responsible for seasonal variations are
The sum of the infinite series `x + (1 + 2)/(2!) x^2 + (1 + 2 + 3)/(3!) x^3 +` .... equals
What is the sum of the first 50 terms of the series (1 × 3) + (3 × 5) + (5 × 7) + ...?
