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Ex 14.3, 5 - The following table gives life times of neon - Ex 14.3

Ex 14.3, 5 - Chapter 14 Class 9 Statistics - Part 2

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Ex 14.3, 5 - Chapter 14 Class 9 Statistics - Part 3

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Ex 14.3, 5 The following table gives the life times of neon lamps: (i) Represent the given information with the help of a histogram. Ex 14.3, 5 The following table gives the life times of neon lamps: (ii) How many lamps have a life time of more than 700 hours? Number of neon lamps having their lifetime more than 700 = Number of neon lamps having their lifetime as 700 − 800 + Number of neon lamps having their lifetime as 800 − 900 + Number of neon lamps having their lifetime as 900 − 1000 = 74 + 62 + 48 = 184

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.