Question

Study thefollowing frequency distribution table and answer the questions
Class intervalage/ no of people
15-20 12
20-25 20
25-30 42
30 - 35 20
35-40 6

a ) what is the size of class interval ?
b) which class has highest frequency?
c) which class has lowest frequency ?
d) which two classes has same frequency?
e) what is the upper limit of class interval?
f) the difference between frequency of class interval 20-25 and 30-35


help me please! . .
who give sure answer I give thanks to answer and I make answer as brainlist ​

Answer 1

Answer:

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Answer 2

Answer:

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