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प्रश्न
Choose the correct alternative:
The component of a time series attached to long term variation is trended as
पर्याय
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
Define secular trend
Explain the method of fitting a straight line
State the two normal equations used in 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:
The components of a time series which is attached to short term fluctuation is
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
Using three yearly moving averages, Determine the trend values from the following data.
| Year | Profit | Year | Profit |
| 2001 | 142 | 2007 | 241 |
| 2002 | 148 | 2008 | 263 |
| 2003 | 154 | 2009 | 280 |
| 2004 | 146 | 2010 | 302 |
| 2005 | 157 | 2011 | 326 |
| 2006 | 202 | 2012 | 353 |
Let An be the sum of the first n terms of the geometric series `704 + 704/2 + 704/4 + 704/8 + ...` and Bn be the sum of the first n terms of the geometric series `1984 - 1984/2 + 1984/4 + 1984/8 + ...` If An = Bn, then the value ofn is (where n ∈ N).
