Instructions
Study the following bar diagram carefully and answer the following questions.
The number of the production of electronic items (TVs and LCDs) in a factory during the period from 2009 to 2013.
Solution
Total no. of TV's produced from 2009 to 2012 = 6000 + 9000 + 13000 + 11000
=> 39,000
Average production of TV's over these four years = 39000/4 = 9750
Total no. of LCD's produced from 2009 to 2012 = 7000 + 9400 + 9000 + 10000 = 35,400
Average production of LCD's over these four years = 35400/4 = 8850
=> Required Difference = 9750 - 8850 = 900
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