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Solution - Graphical Representation of Data

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Question

The following table gives the life times of 400 neon lamps:-

Life time (in hours)
Number of lamps
300 - 40014
400 - 50056
500 - 60060
600 - 70086
700 - 80074
800 - 90062
900 - 100048

(i) Represent the given information with the help of a histogram.

(ii) How many lamps have a life time of more than 700 hours?

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Reference Material

Solution for concept: Graphical Representation of Data. For the course CBSE
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