ConceptGraphical 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 - 400 | 14 |

400 - 500 | 56 |

500 - 600 | 60 |

600 - 700 | 86 |

700 - 800 | 74 |

800 - 900 | 62 |

900 - 1000 | 48 |

(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