Question

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
0-5
45
10-15
50
15-20
(a) What is the class size of the class intervals ?
(b) What is the upper limit of the fourth class interval ?
(c) What is the lower class limit of the second class interval ?
(d) What is the class mark of 0 5 ?​

Answer 1

Answer:

a) 45_ 50

b)15_20

c)10_15

d) it contains lowest interval 0_5 is 2 class mark

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