Find the class mark of the class interval 70-80
Answers
Answered by
7
Answer:
class mark = 75
Step-by-step explanation:
Class mark= lower class + upper marks by 2
=70+80/2
=150/2
=75
Answered by
2
Answer:
given:
class interval 70 - 80
to find : class mark
solution:
class mark =upper limit + lower limit/2
class mark = 70 + 80 /2
=150/2
=75
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