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Chapter 5 Class 8 Data Handling
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Ex 5.1, 1 - For which of these would you use a histogram to show the

Ex 5.1, 1 - Chapter 5 Class 8 Data Handling - Part 2
Ex 5.1, 1 - Chapter 5 Class 8 Data Handling - Part 3 Ex 5.1, 1 - Chapter 5 Class 8 Data Handling - Part 4 Ex 5.1, 1 - Chapter 5 Class 8 Data Handling - Part 5 Ex 5.1, 1 - Chapter 5 Class 8 Data Handling - Part 6 Ex 5.1, 1 - Chapter 5 Class 8 Data Handling - Part 7

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Ex 5.1, 1 For which of these would you use a histogram to show the data? Give reasons for each. (a) The number of letters for different areas in a postman’s bag.For Histogram On the y-axis, we have numbers & on the x-axis, we have data which is continuous & will always be number. Here, In y-axis, we have number of letters In x-axis, we have different areas Since different areas is not continuous, we cannot make a histogram. We use bar graph instead Example data can be the table Bar graph should be used to show this data. Ex 5.1, 1 (b) The height of competitors in an athletics meet.For Histogram On the y-axis, we have numbers & on the x-axis, we have data which is continuous & will always be number. Here, In y-axis, we have number of competitors In x-axis, we have height, which is continuous Since height is continuous, we make a histogram Example: Ex 5.1, 1 (c) The number of cassettes produced by 5 companies.For Histogram On the y-axis, we have numbers & on the x-axis, we have data which is continuous & will always be number. Ex 5.1, 1 For which of these would you use a histogram to show the data? Give reasons for each. (d) The number of passengers boarding trains from 7:00 a.m. to 7:00 p.m. at a station.Histogram can be used to show the no. of passengers boarding trains from 7:00 a.m to 7:00 p.m at a station as the timings can be easily divided into class intervals. Example : Assume the following distribution : Ex 5.1, 1 (d) The number of passengers boarding trains from 7:00 a.m. to 7:00 p.m. at a station.For Histogram On the y-axis, we have numbers & on the x-axis, we have data which is continuous & will always be number. Here, In y-axis, we have number of passengers In x-axis, we have time Since time is continuous, first 7 am to 8 am, then 8 to 9 and so on we make a histogram Example:

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.