Collection of Data in Statistics class 11 | Chapter 2

collection of data in statistics class 11
statistics class 11 chapter 2 Part 1
collection of data in statistics class 11 one shot

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0:00 - 2:39 Introduction about Collection of data
2:39 - 3:19 Sources of data collection
3:19 - 5:23 What is Primary source
5:23 - 7:30 - What is Secondary source
7:30 - 9:06 What is Primary data
9:06 - 15:14 What is Secondary data

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