Statistics MCQ Questions for Class 11 Math’s Chapter 15 with Answers

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MCQ Questions for Class 11 Mathematics Chapter wise with Answers


Q1. 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


Q2. 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


Q3. 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


Q4. 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


Q5. The geometric mean of series having mean = 25 and harmonic mean = 16 is

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

(ii) 20


Q6. Find the median of 18, 35, 10, 42, 21

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

(iii) 21


Q7. 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


Q8. 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


Q9. If the mean of first n natural numbers is 5n/9, then n =

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

(iii) 9


Q10. 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


Q11. 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


Q12. 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


Q13. 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


Q14. The geometric mean of series having mean = 25 and harmonic mean = 16 is

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

(ii) 20


Q15. 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


We hope the given NCERT MCQ Questions for Class 11 Mathematics book Chapter 15 Statistics with Answers PDF Free Download solution will definitely help you to achieve perfect score. If you have any queries related to CBSE Class 11 Mathematics book Chapter 15 Statistics with Answers book MCQs Multiple Choice Questions with Answers, drop your questions below and will get back to you in no time.


MCQ Questions for Class 11 Mathematics Chapter wise with Answers


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