Advertisements
Advertisements
प्रश्न
Choose the correct alternative:
A time series is a set of data recorded
पर्याय
Periodically
Weekly
Successive points of time
All the above
उत्तर
All the above
APPEARS IN
संबंधित प्रश्न
Define Time series
State the uses of time series
Define secular trend
Explain the method of fitting a straight line
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 |
Choose the correct alternative:
The components of a time series which is attached to short term fluctuation is
Fit a straight line trend by the method of least squares to the following data
| Year | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 |
| Sales | 50.3 | 52.7 | 49.3 | 57.3 | 56.8 | 60.7 | 62.1 | 58.7 |
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
The nth term of the series 2 + 4 + 7 + 11 + ..... is
The sum of the series 3.6 + 4.7 + 5.8 + ....... upto (n – 2) terms
