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प्रश्न
Choose the correct alternative:
Least square method of fitting a trend is
पर्याय
Most exact
Least exact
Full of subjectivity
Mathematically unsolved
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उत्तर
Most exact
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संबंधित प्रश्न
Define secular trend
Explain cyclic variations
Explain the method of fitting a straight line
Use the method of monthly averages to find the monthly indices for the following data of production of a commodity for the years 2002, 2003 and 2004
| 2002 | 2003 | 2004 |
| 15 | 20 | 18 |
| 18 | 18 | 25 |
| 17 | 16 | 21 |
| 19 | 13 | 11 |
| 16 | 12 | 14 |
| 20 | 15 | 16 |
| 21 | 22 | 19 |
| 18 | 16 | 20 |
| 17 | 18 | 1 |
| 15 | 20 | 16 |
| 14 | 17 | 18 |
| 18 | 15 | 20 |
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:
The components of a time series which is attached to short term fluctuation is
Choose the correct alternative:
Factors responsible for seasonal variations are
Choose the correct alternative:
The seasonal variation means the variations occurring with in
The nth term of the series 2 + 4 + 7 + 11 + ..... is
What is the sum of the first 50 terms of the series (1 × 3) + (3 × 5) + (5 × 7) + ...?
