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प्रश्न
Choose the correct alternative:
A time series consists of
विकल्प
Five components
Four components
Three components
Two components
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उत्तर
Four components
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संबंधित प्रश्न
Write a brief note on seasonal variations
Explain cyclic variations
Explain the method of fitting a straight line
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 |
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 |
Choose the correct alternative:
A time series is a set of data recorded
From the following data, calculate the trend values using fourly moving averages.
| Year | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 |
| Sales | 506 | 620 | 1036 | 673 | 588 | 696 | 1116 | 738 | 663 |
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
Sum of n terms of series 1.3 + 3.5 + 5.7 + ______ is
