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प्रश्न
Choose the correct alternative:
The additive model of the time series with the components T, S, C and I is
पर्याय
y = T + S + C × I
y = T + S × C × I
y = T + S + C + I
y = T + S × C + I
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उत्तर
y = T + S + C + I
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संबंधित प्रश्न
Discuss about irregular variation
State the different methods of measuring trend
Find the trend of production by the method of a five-yearly period of moving average for the following data:
| Year | Production ('000) |
| 1979 | 126 |
| 1980 | 123 |
| 1981 | 117 |
| 1982 | 128 |
| 1983 | 125 |
| 1984 | 124 |
| 1985 | 130 |
| 1986 | 114 |
| 1987 | 122 |
| 1988 | 129 |
| 1989 | 118 |
| 1990 | 123 |
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A time series is a set of data recorded
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A time series consists of
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Factors responsible for seasonal variations are
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Least square method of fitting a trend is
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The component of a time series attached to long term variation is trended as
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 |
The sum of the series 3.6 + 4.7 + 5.8 + ....... upto (n – 2) terms
