Question

26. The following is the frequency distribution table for the ages of the students
in a school. Answer the following questions :
Age (in yrs.)
No. of students
35
510
45
10-15
50
15-20
30
(a) What is the class size of the class intervals ?
(b) What is the upper limit of the fourth class interval ?
(e) What is the lower class limit of the second class interval
(d) What is the class mark of 0-5?​

Answer 1

Answer:

(a) 5

(b) 25

(c) 10

(d) 1.5