Check the below NCERT MCQ Questions for Class 11 Maths Chapter 15 Statistics with Answers Pdf free download. MCQ Questions for Class 11 Maths with Answers were prepared based on the latest exam pattern. We have provided Statistics Class 11 Maths MCQs Questions with Answers to help students understand the concept very well.

## Q.1 If the mean of the following data is 20.6, then the value of p is

x: 10 15 20 25 35

f: 3 10 25 7 5

(a) 30

(b) 20

(c) 25

(d) 10

(b) 20

## Q.2 Range of a data is calculated as

(a) Range = Max Value – Min Value

(b) Range = Max Value + Min Value

(c) Range = (Max Value – Min Value)/2

(d) Range = (Max Value + Min Value)/2

(a) Range = Max Value – Min Value

## Q.3 The mean and variance of 7 observations are 8 and 16, respectively. If five of the observations are 2, 4, 10, 12, 14. then the remaining two observations are

(a) 4, 6

(b) 6, 8

(c) 8, 10

(d) 10, 12

(b) 6, 8

## Q.4 If the correlation coefficient between two variables is 1, then the two least square lines of regression are

(a) parallel

(b) none of these

(c) coincident

(d) at right angles

(c) coincident

## Q.5 One of the methods of determining mode is

(a) Mode = 2 Median – 3 Mean

(b) Mode = 2 Median + 3 Mean

(c) Mode = 3 Median – 2 Mean

(d) Mode = 3 Median + 2 Mean

(c) Mode = 3 Median – 2 Mean

## Q.6 The geometric mean of series having mean = 25 and harmonic mean = 16 is

(a) 16

(b) 20

(c) 25

(d) 30

(b) 20

## Q.7 Varience is independent of change of

(a) origin only

(b) scale only

(c) origin and scale both

(d) None of these

(a) origin only

## Q.8 The mean of a group of 100 observations was found to be 20. Later on, it was found that three observations were incorrect, which was recorded as 21, 21 and 18. Then the mean if the incorrect observations are omitted is

(a) 18

(b) 20

(c) 22

(d) 24

(b) 20

## Q.9 If covariance between two variables is 0, then the correlation coefficient between them is

(a) nothing can be said

(b) 0

(c) positive

(d) negative

(b) 0

## Q.10 If a variable takes discrete values x + 4, x – 7/2, x – 5/2, x – 3, x – 2, x + 1/2, x – 1/2, x + 5 (x > 0), then the median is

(a) x – 5/4

(b) x – 1/2

(c) x – 2

(d) x + 5/4

(a) x – 5/4

## Q.11 Which one is measure of dispersion method

(a) Renge

(b) Quartile deviation

(c) Mean deviation

(d) all of the above

(d) all of the above

## Q.12 If one of the observation is zero then geometric mean is

(a) (Sum of observation)/n

(b) (Multiplication of all observations)n

(c) (Multiplication of all observations)1/n

(d) 0

(d) 0

## Q.13 The coefficient of correlation between two variables is independent of

(a) both origin and the scale

(b) scale but not origin

(c) origin but not scale

(d) neither scale nor origin

(a) both origin and the scale

## Q.14 In a series, the coefficient of variation is 50 and standard deviation is 20 then the arithmetic mean is

(a) 20

(b) 40

(c) 50

(d) 60

(b) 40

## Q.15 The mean of 1, 3, 4, 5, 7, 4 is m the numbers 3, 2, 2, 4, 3, 3, p have mean m – 1 and median q. Then, p + q =

(a) 4

(b) 5

(c) 6

(d) 7

(d) 7

## Q.16 If the mean of first n natural numbers is 5n/9, then n =

(a) 5

(b) 4

(c) 9

(d) 10

(c) 9

## Q.17 If the varience of the data is 121 then the standard deviation of the data is

(a) 121

(b) 11

(c) 12

(d) 21

(b) 11

## Q.18 If r is the correlation coefficient, then

(a) |r| ≤ 1

(b) r ≤ 1

(c) |r| ≥ 1

(d) r ≥ 1

(a) |r| ≤ 1

## Q.19 If Mean = Median = Mode, then it is

(a) Symmetric distribution

(b) Asymmetric distribution

(c) Both symmetric and asymmetric distribution

(d) None of these

(a) Symmetric distribution

## Q.20 Mean of the first n terms of the A.P. a + (a + d) + (a + 2d) + ……… is

(a) a + nd/2

(b) a + (n – 1)d

(c) a + (n − 1)d/2

(d) a + nd

(c) a + (n − 1)d/2

## Class 11 Maths with Answers Chapter Wise

**Chapter 1: Sets Class 11 MCQ Questions****Chapter 2: Relations and Functions Class 11 MCQ Questions****Chapter 3: Trigonometric Functions Class 11 MCQ Questions****Chapter 4: Principle of Mathematical Induction Class 11 MCQ Questions****Chapter 5: Complex Numbers and Quadratic Equations Class 11 MCQ Questions****Chapter 6: Linear Inequalities Class 11 MCQ Questions****Chapter 7: Permutations and Combinations Class 11 MCQ Questions****Chapter 8: Binomial Theorem Class 11 MCQ Questions****Chapter 9: Sequences and Series Class 11 MCQ Questions****Chapter 10: Straight Lines Class 11 MCQ Questions****Chapter 11: Conic Sections Class 11 MCQ Questions****Chapter 12: Introduction to Three Dimensional Geometry Class 11 MCQ Questions****Chapter 13: Limits and Derivatives Class 11 MCQ Questions****Chapter 14: Mathematical Reasoning Class 11 MCQ Questions****Chapter 15: Statistics Class 11 MCQ Questions****Chapter 16: Probability Class 11 MCQ Questions**

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