Question

the class width/class size of class interval 63-72 is​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

The class width/class size of class interval 63 - 72 is​ 9.

Step-by-step explanation:

Given,

The class interval: 63 - 72

To find,

The class width/class size.

Calculation,

We know that the class width(n)/class size of a class interval with the upper boundary b, and the lower boundary a is nothing but the difference between the upper boundary and the lower boundary.

i.e. n = b - a

Here the upper boundary (b) = 72

The lower boundary (a) = 63

So, the class width/class size (n) is b - a

⇒ n = 72 - 63

⇒ n = 9

Therefore, the class width/class size of class interval 63 - 72 is​ is 9.

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