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What are the merits and demerits of graphical method? Find out some merits and demerits of semi-average method? Draw a freehand curve for the following
- What are the merits and demerits of graphical method?
- Find out some merits and demerits of semi-average method?
- Draw a freehand curve for the following data:
Year | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 |
Sales in (lakh units) | 65 | 95 | 115 | 63 | 120 | 100 | 150 | 135 | 172 |
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