Statistics MCQ Questions for Class 11 Maths Chapter 15 with Answers

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 11 Mathematics book Chapter 15 Statistics with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 11 Maths Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Statistics. Each Questions has four options followed by the right answer. Download the Maths Quiz Questions with Answers for Class 11 free Pdf and prepare to exam and help students understand the concept very well.

MCQ Questions for Class 11 Mathematics Chapter wise with Answers

Q1. The mean deviation from the mean for the following data: 4, 7, 8, 9, 10, 12, 13 and 17 is

(i) 2
(ii) 3
(iii) 4
(iv) 5

(ii) 3

Q2. The algebraic sum of the deviation of 20 observations measured from 30 is 2. So, the mean of observations is

(i) 30.0
(ii) 30.1
(iii) 30.2
(iv) 30.3

(ii) 30.1

Q3. Find the median of 18, 35, 10, 42, 21

(i) 20
(ii) 19
(iii) 21
(iv) 22

(iii) 21

Q4. 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 =

(i) 4
(ii) 5
(iii) 6
(iv) 7

(iv) 7

Q5. The coefficient of variation is computed by

(i) S.D/.Mean×100
(ii) S.D./Mean
(iii) Mean./S.D×100
(iv) Mean/S.D.

(ii) S.D./Mean

Q6. The standard deviation of 7, 9, 11, 13, 15 is:

(i) 2.82
(ii) 2.4
(iii) 2.7
(iv) 2.5

(i) 2.82

Q7. The geometric mean of series having mean = 25 and harmonic mean = 16 is

(i) 16
(ii) 20
(iii) 25
(iv) 30

(ii) 20

Q8. If mode of a series exceeds its mean by 12, then mode exceeds the median by

(i) 4
(ii) 8
(iii) 6
(iv) 12

(ii) 8

Q9. Consider the first 10 positive integers. If we multiply each number by –1 and then add 1 to each number, the variance of the numbers so obtained is

(i) 8.25
(ii) 6.5
(iii) 3.87
(iv) 2.87

(i) 8.25

Q10. When tested the lives (in hours) of 5 bulbs were noted as follows: 1357, 1090, 1666, 1494, 1623. The mean of the lives of 5 bulbs is

(i) 1445
(ii) 1446
(iii) 1447
(iv) 1448

(ii) 1446

Q11. Range of the data 4, 7, 8, 9, 10, 12, 13 and 17 is

(i) 4
(ii) 17
(iii) 13
(iv) 21

(iii) 13

Q12. The average of 5 quantities is 6, the average of three of them is 4, then the average of remaining two numbers is :

(i) 9
(ii) 6
(iii) 10
(iv) 5

(i) 9

Q13. Mean of the first n terms of the A.P. a + (a + d) + (a + 2d) + ……… is

(i) a + nd/2
(ii) a + (n – 1)d
(iii) a + (n − 1)d/2
(iv) a + nd

(iii) a + (n − 1)d/2

Q14. If the varience of the data is 121 then the standard deviation of the data is

(i) 121
(ii) 11
(iii) 12
(iv) 21

(ii) 11

Q15. The co-efficient of variation is computed by:

(i) mean/ standard deviation
(ii) standard deviation /mean
(iii) mean /standard deviation x 100
(iv) standard deviation / mean x 100

(iv) standard deviation / mean x 100

Q16. In a series, the coefficient of variation is 50 and standard deviation is 20 then the arithmetic mean is

(i) 20
(ii) 40
(iii) 50
(iv) 60

(ii) 40

Q17. If the mean of first n natural numbers is 5n/9, then n =

(i) 5
(ii) 4
(iii) 9
(iv) 10

(iii) 9

Q18. A batsman scores runs in 10 innings 38, 70, 48,34, 42, 55, 63, 46, 54 and 44, then the mean deviation is

(i) 8.6
(ii) 6.4
(iii) 10.6
(iv) 9.6

(i) 8.6

Q19. The geometric mean of series having mean = 25 and harmonic mean = 16 is

(i) 16
(ii) 20
(iii) 25
(iv) 30

(ii) 20

Q20. Which one is measure of dispersion method

(i) Renge
(ii) Quartile deviation
(iii) Mean deviation
(iv) all of the above

(iv) all of the above

Q21. The standard deviation of some temperature data in °C is 5. If the data were converted into °F, the variance would be

(i) 81
(ii) 57
(iii) 36
(iv) 25

(i) 81

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MCQ Questions for Class 11 Mathematics Chapter wise with Answers

Q1. The mean deviation from the mean for the following data: 4, 7, 8, 9, 10, 12, 13 and 17 is

Q2. The algebraic sum of the deviation of 20 observations measured from 30 is 2. So, the mean of observations is

Q3. Find the median of 18, 35, 10, 42, 21

Q4. 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 =

Q5. The coefficient of variation is computed by

Q6. The standard deviation of 7, 9, 11, 13, 15 is:

Q7. The geometric mean of series having mean = 25 and harmonic mean = 16 is

Q8. If mode of a series exceeds its mean by 12, then mode exceeds the median by

Q9. Consider the first 10 positive integers. If we multiply each number by –1 and then add 1 to each number, the variance of the numbers so obtained is

Q10. When tested the lives (in hours) of 5 bulbs were noted as follows: 1357, 1090, 1666, 1494, 1623. The mean of the lives of 5 bulbs is

Q11. Range of the data 4, 7, 8, 9, 10, 12, 13 and 17 is

Q12. The average of 5 quantities is 6, the average of three of them is 4, then the average of remaining two numbers is :

Q13. Mean of the first n terms of the A.P. a + (a + d) + (a + 2d) + ……… is

Q14. If the varience of the data is 121 then the standard deviation of the data is

Q15. The co-efficient of variation is computed by:

Q16. In a series, the coefficient of variation is 50 and standard deviation is 20 then the arithmetic mean is

Q17. If the mean of first n natural numbers is 5n/9, then n =

Q18. A batsman scores runs in 10 innings 38, 70, 48,34, 42, 55, 63, 46, 54 and 44, then the mean deviation is

Q19. The geometric mean of series having mean = 25 and harmonic mean = 16 is

Q20. Which one is measure of dispersion method

Q21. The standard deviation of some temperature data in °C is 5. If the data were converted into °F, the variance would be

MCQ Questions for Class 11 Mathematics Chapter wise with Answers

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