1. What is the arithmetic mean of the numbers 14,16,18,5,17 ?
a) 16
b) 14

c) 13
d) 16
2. What is the median of the numbers 27,22,20,21,18?
a) 27
b) 18

c) 20
d) 21
3. What is the median of the numbers 8,9,10,12,14,16?
a) 9
b) 11

c) 16
d) 14
4. Which of the numbers 48,47,50,47,52,50,47 is the mode?
a) 50 b) 47

c) 48 d) 52
5. Which one of the numbers 30,45,42,48,53,46 is the mode
a) 42
b) 45

c) 30
d) No mode
6. What is the median of the numbers :- 10, 12, 13, 15, 16, 19, 25 ?
(a) 12 (b) 13 (c) 15 (d) 16
Answer to the question no. 7 and 8 based on the following information the daily expenditures
in taka of 10 students of class Seven are as follow :- 20, 22, 50, 40, 32, 28, 45, 30, 25, 48.
7. What is the range of data ?
a) 29 b) 30 c) 31 d) 32
8. What is the average of data ?
a) 29 b) 30
c) 31 d) 34
9. What is called the data that is collected
directly from the source ?
a) Primary data b) Data
c) Secondary data d) Indirect data
10. How many types of statistical data ?
a) 1 b) 2 c) 3
d) 4