Question

Q12) The ages of 50 female teachers working in a secondary school in a big city (2m)
are as follows:
Age in years 20–25 25–30 30–35 35-40 40-45 45-50 50-55 55–60
No of female | 2 14 5 110 115 18
teachers
i) What is the class size ?
ii) What is the class mark of 30 -35 ?
iii) What is the frequency of class interval 35-40 ?
iv) Write the lower limit of 25-30 ?
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Answer 1

Answer:

Step-by-step explanation:

1) 5

2)32.5

3)14

4)25