1. Find the range of heights of any ten students of your class.
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Answer- The above question is from the chapter 'Statistics'.
Statistics- It is a branch of Mathematics dealing with the collection and analysis of data which can be single as well as grouped.
Range: It is the difference between the highest and the least observations in any given data.
Range = Highest Observation - Lowest Observation
Given question: Find the range of heights of any ten students of your class.
Solution:
Student-1 :- 125 cm
Student-2 :- 130 cm
Student-3 :- 134 cm
Student-4 :- 140 cm
Student-5 :- 145 cm
Student-6 :- 146 cm
Student-7 :- 148 cm
Student-8 :- 150 cm
Student-9 :- 152 cm
Student-10 :- 155 cm
Highest observation: 155 cm
Lowest Observation: 125 cm
Range = Highest Observation - Lowest Observation
Range = 155 - 125
Range = 30 cm
∴ Range of heights of any ten students = 30 cm
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