Question

The class size of interval 10-19 is​

Answer 1

The class size of interval 10-19 is 9.

class size = upper class limit - lower class limit

= 19 - 10 = 9

I hope this answer helps you

Answer 2

The class size of the class interval 10 - 19 is 9

Given :

The class interval 10 - 19

To find :

The class size of the class interval 10 - 19

Concept :

Class Size

Class Length or Class Size or Class Width of the class interval of any class is defined to be the difference between the lower and upper class boundaries ( not class limits) of that particular class interval.

Class Size = Upper Class boundary - Lower class boundary

Solution :

Step 1 of 2 :

Write down the given Class Size

Here it is given that class interval is 10 - 19

Step 2 of 2 :

Find Class Size

Upper Class boundary = 19

Lower class boundary = 10

Hence the required Class Size

= Upper Class boundary - Lower class boundary

= 19 - 10

= 9

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