MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 24

EASY

10th CBSE

IMPORTANT

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If the mean of first $n$ natural numbers is $\frac{5 n}{9}$ , then $n =$

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Important Questions on Statistics

EASY

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 25

The arithmetic mean and mode of a data are

24

and

12

respectively, then its median is

MEDIUM

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IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 26

The mean of first

n

odd natural numbers is

HARD

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 27

The mean of first $n$ odd natural numbers is $\frac{n^{2}}{81}$ , then $n =$

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 28

If the difference of mode and median of a data is

24

, then the difference of median and mean is

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 29

If the arithmetic mean,

7, 8, x, 11, 14

is

x,

then

x =

EASY

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 30

If mode of a series exceeds its mean by

12

, then mode exceeds the median by

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10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 31

If the mean of the first

n

natural number is

15,

then

n =

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 15 - Statistics>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 32

If the mean of observation $x_{1}, x_{2}, \dots, x_{n}$ is $\bar{x},$ then the mean of $x_{1} + a, x_{2} + a, . . . . ., x_{n} + a$ is