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प्रश्न
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
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उत्तर
Computation of three-yearly moving averages
| Year | Profit (₹) | 3-Yearly Moving Total |
3-Yearly Moving Average |
| 1986 | 15420 | - | - |
| 1987 | 15470 | 46410 | 15470 |
| 1988 | 15520 | 5010 | 17336.666 |
| 1989 | 21020 | 63040 | 21013.333 |
| 1990 | 26500 | 79470 | 26490 |
| 1991 | 31950 | 94050 | 31350 |
| 1992 | 35600 | 102450 | 34150 |
| 1993 | 34900 | - | - |
The last column gives the trend of profits.
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संबंधित प्रश्न
State the uses of time series
The following table gives the number of small-scale units registered with the Directorate of Industries between 1985 and 1991. Show the growth on a trend line by the free hand method.
| Year | No. of units (in '000) |
| 195 | 10 |
| 986 | 22 |
| 1987 | 36 |
| 198 | 62 |
| 1989 | 55 |
| 1990 | 0 |
| 1991 | 34 |
| 1992 | 50 |
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| Sales (₹ '000) | 35 | 36 | 79 | 80 | 40 |
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| Year | Profit | Year | Profit |
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| 2002 | 148 | 2008 | 263 |
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| 2005 | 157 | 2011 | 326 |
| 2006 | 202 | 2012 | 353 |
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