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Grouped Data

Length of the...

Question

Length of the class $11 - 20$ is _______.

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Solution

Find the length of given class interval :
Given class interval, $11 - 20$
Upper limit of the class $= 20$
Lower limit of the class $= 11$
Length of the class $=$ Upper limit $-$ Lower limit
$= 20 - 11$
$= 9$
Therefore, the length of given class interval is $9$ .

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