Class 9

Statistics question bank (Maths)

Practice 182 free Class 9 Maths - Statistics questions with answers and step-by-step solutions.

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Q1.

The marks obtained by $17$ students in a mathematics test (out of $100$) are given below:
$91, 82, 100, 100, 96, 65, 82, 76, 79, 90, 46, 64, 72, 68, 66, 48, 49$
The range of the data is:

(A)
$54$
(B)
$46$
(C)
$90$
(D)
$100$
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Q2.

The class-mark of the class $130-150$ is:

(A)
$130$
(B)
$140$
(C)
$135$
(D)
$145$
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