The height in centimetres of $30$ students of class $6$ in a school are given below: $138, 130, 132, 138, 140, 138, 140, 152, 132, 140, 155, 140, 132, 138, 140, 150, 138, 140, 150, 155, 150, 152, 155, 140, 138, 132, 155, 138, 140, 132$ What is the range?

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Solution

Range is the difference between the highest and the lowest observation of the data.
Highest height from the following data is $155 c m$
lowest height from the following data is $130 c m$
so, range = Highest weight - lowest weight
$\Rightarrow$ Range $= 155 - 130 = 25 c m$
Hecne, the range of the given data is $25 c m$ .

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The height in centimetres of $30$ students of class $6$ in a school are given below: $138, 130, 132, 138, 140, 138, 140, 152, 132, 140, 155, 140, 132, 138, 140, 150, 138, 140, 150, 155, 150, 152, 155, 140, 138, 132, 155, 138, 140, 132$ What is the height of the tallest student?

The table below shows the number of students in class 10 of a school, classified according to their heights:

Height

(cm)

Number of Students

120 − 125

125 − 130

130 − 135

135 − 140

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150 − 155

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The height in centimetres of 30 students of class 6 in a school are given below:138,130,132,138,140,138,140,152,132,140,155,140,132,138,140,150,138,140,150,155,150,152,155,140,138,132,155,138,140,132What is the range?

Range is the difference between the highest and the lowest observation of the data.Highest height from the following data is 155cmlowest height from the following data is 130cmso, range = Highest weight - lowest weight⇒ Range =155-130=25cmHecne, the range of the given data is 25cm.

The height in centimetres of $30$ students of class $6$ in a school are given below: $138, 130, 132, 138, 140, 138, 140, 152, 132, 140, 155, 140, 132, 138, 140, 150, 138, 140, 150, 155, 150, 152, 155, 140, 138, 132, 155, 138, 140, 132$ What is the range?