Question

2. The marks scored by 20 students in a Science test (30 marks) are given below:
8, 7, 12, 17, 20, 11, 16, 21, 28, 25.
27, 18, 20, 19, 7, 29, 16, 15, 20, 27.
Using the data answer the following questions :
(1) How many students scored the lowest marks?
(2) How many students scored 20 marks?
(3) What is the frequency of score 27?
(4) How many students scored more than 20 marks?​

Answer 1

Answer:

1st answer 10 student gets lowest mark

2nd answer 3 student gets 20 mark

3rd answer 2 frequency of score 27

4th answer 6 student gets more than 20 mark

Answer 2

Explanation:

1.10 students gets lowest mark

2.3 students get 20 mark

3.2 frequency of scored 27

4.6 students get more than 20 mark