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प्रश्न
Choose the correct alternative:
Factors responsible for seasonal variations are
विकल्प
Weather
Festivals
Social customs
All the above
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उत्तर
All the above
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संबंधित प्रश्न
What is the need for studying time series?
Write a brief note on seasonal variations
Discuss about irregular variation
Explain the method of fitting a straight line
The following table shows the number of salesmen working for a certain concern:
| Year | 1992 | 1993 | 1994 | 1995 | 1996 |
| No. of salesman |
46 | 48 | 42 | 56 | 52 |
Use the method of least squares to fit a straight line and estimate the number of salesmen in 1997
Choose the correct alternative:
A time series consists of
Choose the correct alternative:
The component of a time series attached to long term variation is trended as
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
What is the sum of the first 50 terms of the series (1 × 3) + (3 × 5) + (5 × 7) + ...?
