Question

what is the formula of to find class interval
&
question: class mark and class size of the class interval are 25 and 10 respectively than the class interval is ​

Answer 1

Answer:

class interval (c.i)= upper value -lower value

25-10

=15

Answer 2

Answer:

we know that,

according to the question

so,

start

to solve the question

25-10

=15

we get ans 15

15 inter val

Step-by-step explanation:

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