Find the class interval for $10^{t h}$ class.

3

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4

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5

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7

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Solution

The correct option is C $5$
For the $10^{t h}$ class, $50 - 54$
The class interval $=$ Upper class boundary $-$ Lower class boundary
Upper class boundary $= 54.5$
Lower class boundary $= 49.5$
Therefore, the class interval $= 54.5 - 49.5 = 5$

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