Answers

2016-04-20T18:33:29+05:30
RANGE : maximum value - lowest value 
               28-11
                17 
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2016-04-20T18:47:27+05:30
Range= highest value-least value. =28-11= 17. So 17 is the range of this data. Hope this helps u.pls mark as brainliest.
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