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प्रश्न
Define seasonal index
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उत्तर
Seasonal Index for every season (monthly or quarterly) is calculated as follows
Seasonal Index (S.I) = `"Seasonal Average"/"Grand Average" xx 100`
If the data is given monthwise
Seasonal Index = `"Monthly Average"/"Grand Average" xx 100`
If quarterly data is given
Seasonal Index = `"Quarterly Average"/"Grand Average" xx 100`
APPEARS IN
संबंधित प्रश्न
State the different methods of measuring trend
Compute the average seasonal movement for the following series
| Year | Quarterly Production | |||
| I | II | III | IV | |
| 2002 | 3.5 | 3.8 | 3.7 | 3.5 |
| 2203 | 3.6 | 4.2 | 3. | 4.1 |
| 2004 | 3.4 | 3.9 | 37 | 4.2 |
| 2005 | 4.2 | 4.5 | 3 | 4.4 |
| 2006 | 3.9 | 4.4 | 4.2 | 4.6 |
The following table shows the number of salesmen working for a certain concern:
| Year | 1992 | 1993 | 1994 | 1995 | 1996 |
| No. of salesman |
46 | 48 | 42 | 56 | 52 |
Use the method of least squares to fit a straight line and estimate the number of salesmen in 1997
Choose the correct alternative:
The value of ‘b’ in the trend line y = a + bx is
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The component of a time series attached to long term variation is trended as
Choose the correct alternative:
The seasonal variation means the variations occurring with in
A bullet of mass m and velocity a is fired into a large block of wood of mass M The final velocity of the system is
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Sum of the first n terms of the series `1/2 + 3/4 + 7/8 + 15/16 +`......... is equal to:
