Find the mean deviation about the mean for the following data:\nMarks\r\nobtained , 10-20, 20-30...

Описание: Find the mean deviation about the mean for the following data:\nMarks\r\nobtained , 10-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80\nNumber of\r\nstudents, 2, 3, 8, 14, 8, 3, 2
Class: 11
Subject: MATHS
Chapter: STATISTICS
Board:CBSE

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