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प्रश्न
Choose the correct alternative:
The value of ‘b’ in the trend line y = a + bx is
पर्याय
Always positive
Always negative
Either positive or negative
Zero
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उत्तर
Either positive or negative
APPEARS IN
संबंधित प्रश्न
Write a brief note on seasonal variations
State the two normal equations used in fitting a straight line
The annual production of a commodity is given as follows:
| Year | production (in tones) |
| 1995 | 155 |
| 1996 | 162 |
| 1997 | 171 |
| 19988 | 182 |
| 1999 | 158 |
| 2000 | 880 |
| 2001 | 178 |
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| Year | 2000 | 2001 | 2002 | 2003 | 2004 |
| Sales (₹ '000) | 35 | 36 | 79 | 80 | 40 |
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| Year | 1992 | 1993 | 1994 | 1995 | 1996 |
| No. of salesman |
46 | 48 | 42 | 56 | 52 |
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