Question

The mid value of the class 20 - 25 is​

Answer 1

Answer:

Mid value of class 20 and 25 will be e 22.5

Step-by-step explanation:

Answer 2

The mid value of the class 20 - 25 is 22.5

Given :

The class 20 - 25

To find :

The mid value of the class 20 - 25

Concept :

Class Mark / Mid value :

For any grouped frequency table with class intervals, the middle value of the class limits or the class boundaries of any class is called class mark or mid value of the class

Solution :

Step 1 of 3 :

Write down the given class

The given class is 20 - 25

Step 2 of 3 :

Write down Upper Class boundary & Lower class boundary

For the given class 20 - 25

Upper Class boundary = 25

Lower class boundary = 20

Step 3 of 3 :

Find mid value of the class 20 - 25

The mid value of the class 20 - 25

$\displaystyle \sf{ = \frac{Upper \: Class \: boundary + Lower \: class \: boundary }{2} }$

$\displaystyle \sf{ = \frac{25 + 20}{2} }$

$\displaystyle \sf{ = \frac{45}{2} }$

$\displaystyle \sf{ = 22.5}$

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