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.
Question 96
The difference between averages of production of TVs and LCDs from 2009 to 2012 is
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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