STATISTICS MCQ SET 2
1. The median of the following data will be _____ .
32 , 25 , 33 , 27 , 35 , 29 , 30
(a) 32
(b) 27
(c) 30
(d) 29
Answer: C
2. The medium of a set of observations 15 , 16 , 18 , 22 , x + 2 , x + 3 , 26 , 27 , 30 arranged in ascending order is 24 , then find the value of x .
(a) 26
(b) 25
(c)20
(d) 22
Answer: D
3. What is the difference between mean and median of the given data .
6 , 8 , 5 , 7 , 12 , 16 , 6 , 8 , 13
(a) 4
(b) 2
(c) 1
(d) 1.5
Answer: C
4. The median of a set of 11 distinct observations is73.2 . If each of the largest five observations of the set is increased by 3 , then the median of the new set :
(a) Is 3 times that of the original set
(b) Is increased by 3
(b) Remains the same as that of the original set
(d) Is decreased by 3
Answer: C
5. The median of a set of 7 distinct observation is 21.5 . If each of the largest 3 observations of the set is increased by 4 , then the median of the new sets –
(a) Will decrease by 4
(b) Will be four times the original median
(c) Will remain the same as that of the original set
(d) Will increase by 4
Answer: C
6. Obtain the median of the following frequency
(x) = 1ย ,ย ย 2ย ย ,ย ย 3ย ย ,ย ย 4ย ,ย ย 5ย ย ,ย ย 6ย ย ,ย ย 7ย ย ,ย 8ย ย ,ย 9
(f)ย = 8ย , 10ย ,ย 11ย ,ย ย 16ย , 20 , 25ย ,ย 15 ,ย ย 9ย ย ,ย ย 6
(a) 3
(b) 5
(c) 7
(d) 10
Answer: B
7. Find the median of the following data .
(x) :- 5ย ,ย 7ย ,ย 9ย ,ย 11ย , 13ย , 16
(f)ย :- 3ย ,ย 2ย ,ย 4ย ,ย ย 6ย ย ,ย 3ย ย ,ย 5
(a) 15
(b) 12
(c) 10.5
(d) 11
ย Answer: D
8. Find the mode of the following data :
25 , 16 , 19 , 48 , 19 , 20 , 34 , 15 , 19 , 20 , 21 , 24 , 19 , 16 , 22 , 16 , 18 , 20 , 16 , 19
(a) 16
(b) 19
(c) 20
(d) 22
Answer: B
9. What will be the mode of the following data?
13 , 15 , 31 , 12 , 27 , 13 , 27 , 30 , 27 , 28 and 16ย
(a) 28
(b) 31
(c) 30
(d) 27
Answer: D
10. What is the mode of the given data?
5 , 7 . 9 , 7 , 3 , 7 , 5 , 7 , 8 , 6 , 7
(a) 7
(b) 6
(c) 5
(d) 3
Answer: A
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