What is the class mark of class 135-145
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Answer:
The class marks of a distribution are 105,115,125,135,145,155,165. The class size is: 10
Step-by-step explanation:
Since, class size = Difference between any two consecutive class marks
=115−105
=10
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Answer:
difference between two consecutive no i.e. 10 ( 145 - 135)
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