Where can we apply statistics?
Number of people in class.
All are correct.
Student marks per subject.
Student's future career.
The modal class in the following frequency distribution table is:
6 - 7.
2 - 5.
10 - 13.
14 - 17.
The median of the marks 3, 7, 9, 11 and 13 is:
11.
8.6.
13.
9.
The median of the distribution 7, 3, 1, 1, 4, 7, 0 is:
3.
1.
0.
7.
Why do we study statistics?
To help in decision making.
To be able to predict the occurence of an event.
