Class 9 | Chapter 14 | Statistics | Exercise 14.3 | Question 5

Question 5: The following table gives the life times of 400 neon lamps:

(i) Represent the given information with the help of a histogram. (ii) Howmanylampshavealifetimeofmorethan700hours?

Statistics – Bar graph, Histogram & Frequency polygon

In this tutorial you will learn how to draw few very important and basic graphs in statistics. It is bit lengthy video that covers different scenarios like uniform classes, varying width classes, continuous classes etc. It is a must watch video for every beginner to intermediate level of student of statistics. This video covers the following graphs:

  • Bar graph
  • Histogram
    • Uniform width
    • Varying width
  • Frequency polygon 

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Mathematics is like music - Enjoy it!!!