In this video we are going to learn about Step-Deviation Method to find Mean of Grouped data in Hindi. When the deviations of the class marks from the assumed mean are large and they all have a common factor then we can use Step-Deviation Method to find Mean. This method is also known as change of origin or scale method.
Subject - Mathematics
Class – 10th
Chapter – 14 (Statistics)
Lecture By - Mr. Sambhav Garg, Tutorials Point
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