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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
APPEARS IN
संबंधित प्रश्न
State the uses of time series
Explain the method of fitting a straight line
The annual production of a commodity is given as follows:
| Year | production (in tones) |
| 1995 | 155 |
| 1996 | 162 |
| 1997 | 171 |
| 19988 | 182 |
| 1999 | 158 |
| 2000 | 880 |
| 2001 | 178 |
Fit a straight line trend by the method of least squares
Choose the correct alternative:
A time series is a set of data recorded
Choose the correct alternative:
The additive model of the time series with the components T, S, C and I is
Choose the correct alternative:
The value of ‘b’ in the trend line y = a + bx is
Choose the correct alternative:
The seasonal variation means the variations occurring with in
Fit a straight line trend by the method of least squares to the following data
| Year | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 |
| Sales | 50.3 | 52.7 | 49.3 | 57.3 | 56.8 | 60.7 | 62.1 | 58.7 |
Sum of n terms of series 1.3 + 3.5 + 5.7 + ______ is
Sum of the first n terms of the series `1/2 + 3/4 + 7/8 + 15/16 +`......... is equal to:
