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प्रश्न
Choose the correct alternative:
The seasonal variation means the variations occurring with in
पर्याय
A number of years
within a year
within a month
within a week
उत्तर
within a year
APPEARS IN
संबंधित प्रश्न
State the uses of time series
Mention the components of the time series
Write a brief note on seasonal variations
State the two normal equations used in fitting a straight line
The following figures relates to the profits of a commercial concern for 8 years
| Year | Profit (₹) |
| 1986 | 15,420 |
| 1987 | 15,470 |
| 1988 | 15,520 |
| 1989 | 21,020 |
| 1990 | 26,500 |
| 1991 | 31,950 |
| 1992 | 35,600 |
| 1993 | 34,900 |
Find the trend of profits by the method of three yearly moving averages
Use the method of monthly averages to find the monthly indices for the following data of production of a commodity for the years 2002, 2003 and 2004
| 2002 | 2003 | 2004 |
| 15 | 20 | 18 |
| 18 | 18 | 25 |
| 17 | 16 | 21 |
| 19 | 13 | 11 |
| 16 | 12 | 14 |
| 20 | 15 | 16 |
| 21 | 22 | 19 |
| 18 | 16 | 20 |
| 17 | 18 | 1 |
| 15 | 20 | 16 |
| 14 | 17 | 18 |
| 18 | 15 | 20 |
Choose the correct alternative:
Factors responsible for seasonal variations are
Choose the correct alternative:
The value of ‘b’ in the trend line y = a + bx is
Choose the correct alternative:
The component of a time series attached to long term variation is trended as
The nth term of the series 2 + 4 + 7 + 11 + ..... is
