Question

1. the following data shows the number of hours studied by students: 1, 1, 2, 2, 2, 3, 3, 4, 4, 4. which frequency table correctly represents this data?

○ a.

hours	frequency
2	3
3	2
4	3

○ b

hours	frequency
2	3
3	1
4	3

Explanation:

Step1: Count frequency of 1

Data: 1,1,2,2,2,3,3,4,4,4. Number of 1s: 2.

Step2: Count frequency of 2

Number of 2s: 3.

Step3: Count frequency of 3

Number of 3s: 2.

Step4: Count frequency of 4

Number of 4s: 3.
Compare with options: Option a has Hours 1 (freq 2), 2 (3), 3 (2), 4 (3) which matches. Option b has wrong frequencies (1:3, 3:1).

Answer:

a.

Hours	Frequency
2	3
3	2
4	3