Question

The marks obtained by 25 students in a science test are given below. (Marks out of 30)
$\begin{array}{ccccccccc}8& 7& 12& 17& 20& 11& 10& 10& 16\\ 21& 28& 25& 13& 9& 27& 18& 20& 19\\ 7& 29& 16& 15& 20& 22& 27& & \end{array}$
Using this data, answer the following questions:

(1) What is the lowest score obtained?
(2) How many students have obtained this lowest score?
(3) How many students have obtained 20 marks?
(4) What is the frequency of the score 27?
(5) How many students have scored more than 20 marks?

Answer 1

(1) The lowest score obtained is 7.
(2) 2 students have obtained this lowest score.
(3) 3 students have obtained 20 marks.
(4) 2 is the frequency of the score 27.
(5) 7 students have scored more than 20 marks.