class mark of class 150_160 is
Answers
Step-by-step explanation:
155 is the answer
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SOLUTION
TO DETERMINE
The class mark of class 150 - 160
CONCEPT TO BE IMPLEMENTED
Class Mark
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 of the class
EVALUATION
Here the given class is 150 - 160
Upper class Boundary = 160
Lower class Boundary = 150
So the required class mark of the class is
= 155
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