CBSE Class 10 Mathematics Chapter 14 Statistics Multiple Choice Questions with Answers. MCQ Class 10 Maths Statistics with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Mathematics Statistics MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 5
Question 1:
In the formula,
for finding the mean of grouped data d1‘s are deviations from the :
(A) lower limits of the classes
(B) upper limits of the classes
(C) midpoints of the classes
(D) frequencies of the class marks.
Correct Answer – (C)
Question 2 :
What is the median of the data 78, 56, 22, 34, 45, 54, 39, 68, 54, 84?
(a) 54
(b) 53
(c) 55
(d) 51
Correct Answer – (A)
Question 3 :
If x be the mid-point and 1 be the upper class limit of a class in a containous frequency distribution. What is the lower limit of the class?
(a) x – 1
(b) 3x + 8
(c) 2x + 2
(d) 2x – 1
Correct Answer – (D)
Question 4 :
In the class intervals 40 – 50, 50 – 60, the number 50 is included in which of the following?
(a) 40 – 50
(b) 30 – 40
(c) 50 – 60
(d) 60 – 70
Correct Answer – (C)
Question 5 :
If the mean of n observations x1, x2, x3, …. xn is
(a) 0
(b) 1
(c) 2
(d) 3
Correct Answer – (A)
Question 6 :
While computing mean of the grouped data, we assume that the frequencies are:
(A) evenly distributed over all the classes
(B) centered at the class marks of the classes
(C) centered at the upper limits of the classes
(D) centered at the lower limits of the classes
Correct Answer – (B)
Question 7 :
The mean of five numbers is 30. If one number is excluded, their mean becomes 28. What is the excluded number?
(a) 38
(b) 35
(c) 33
(d) 36
Correct Answer – (A)
Question 8 :
If the mean of x, x + 3, x + 5, x + 7 and x + 10 is 9 then what is the means of last three observations?
(a) 9(4/5)
(b) 21/2
(c) 34/3
(d) 12
Correct Answer – (C)
Question 9 :
If each observation of the data is increased by 5, then what happens to its mean?
(a) is increased by 4
(b) is increased by 5
(c) is decreased by 4
(d) is decreased by 5
Correct Answer – (B)
Question 10 :
Find the mean of x + 77, x + 7, x + 5, x + 3 and x – 2?
(a) x + 8
(b) x + 18
(c) x – 8
(d) x – 18
