Class 11

26. Statistics question bank (Maths)

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Q1.

If the mean of \( 3, 4, x, 7, 10 \) is 6, then the value of \( x \) is  

(A)
4
(B)
5
(C)
6
(D)
7
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Q2.

The mean of a set of numbers is \( \bar{x} \). If each number is multiplied by \( \lambda \), then the mean of the new set is  

(A)
\( \bar{x} \)
(B)
\( \lambda + \bar{x} \)
(C)
\( \lambda \bar{x} \)
(D)
\text{None of these}
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