1.
The bar graph as shown below gives information about the sales and profit details of a departmental store during the years from 20012008. Study the graph carefully and answer the questions asked here under.
Sales: (Rs. in Lakhs)
Profit: (Rs. in Ten thousands)
Mean of annual increase in sales from 2003 to 2008 (rupees in lakhs) is
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2005 - 2006 = (8.5 - 5.5) = 3
2006 - 2007 = (8.5 - 8.5) = 0
2007 - 2008 = (10.5 - 8.5) = 2
Sum = (-1) + (-2) + (3) + (0) + (2) = 2 $$ herefore$$ Required mean = $$frac{2}{5} = 0.4$$