Question

The mark obtained by 20 students in mathematics in the examination are given below.

Answer 1

I honestly just need the points thankyou

Answer 2

Answer:

Step-by-step explanation:

class interval

1. 9-19
2. 20-29
3. 30-39
4. 40-49

Frequency

1. 5
2. 7
3. 6
4. 2

tally

1. IIIII
2. IIIII   II
3. IIIII   I
4. II

Note: the fifth tally marks crosses the first 4 marks