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प्रश्न
Choose the correct alternative:
Factors responsible for seasonal variations are
विकल्प
Weather
Festivals
Social customs
All the above
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उत्तर
All the above
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संबंधित प्रश्न
What is the need for studying time series?
Mention the components of the time series
Define seasonal index
The sales of a commodity in tones varied from January 2010 to December 2010 as follows:
| In Year 2010 | Sales (in tones) |
| Jan | 280 |
| Feb | 240 |
| Mar | 270 |
| Apr | 300 |
| May | 280 |
| Jun | 290 |
| Jul | 210 |
| Aug | 200 |
| Sep | 230 |
| Oct | 200 |
| Nov | 230 |
| Dec | 210 |
Fit a trend line by the method of semi-average
Calculate the seasonal indices from the following data using the average method:
| Year | I Quarter | II Quarter | III Quarter | IV Quarter |
| 2008 | 72 | 68 | 62 | 76 |
| 2009 | 78 | 74 | 78 | 72 |
| 2010 | 74 | 70 | 72 | 76 |
| 2011 | 76 | 74 | 74 | 72 |
| 2012 | 72 | 72 | 76 | 68 |
Choose the correct alternative:
The components of a time series which is attached to short term fluctuation is
Choose the correct alternative:
The seasonal variation means the variations occurring with in
The nth term of the series 2 + 4 + 7 + 11 + ..... is
The sum of the infinite series `x + (1 + 2)/(2!) x^2 + (1 + 2 + 3)/(3!) x^3 +` .... equals
Sum of n terms of series 1.3 + 3.5 + 5.7 + ______ is
