Collection of data in statistics class 11 Chapter 2 one shot | GAURAV JAIN

Collection of data in statistics class 11 one shot | GAURAV JAIN
Primary and Secondary data class 11 statistics chapter 2 by gaurav jain

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0:00 - 1:26 Collection of data class 11 statistics chapter 2
1:26 - 2:50 Direct personal investigation - Chapter 2 Statistics
2:50 - 4:10 Indirect oral investigation - Primary data collection
4:10 - 4:50 Information from local correspondents - Chapter 2
4:50 - 6:49 Information from questionnaires & schedule - Collection of data
6:49 - 8:55 Secondary data class 11 statistics