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Lessons
6 lessons • 55m
Introduction and Meaning (in Hindi)
8m 48s
Classification of Universe (in Hindi)
9m 11s
Methods of Collecting Data (in Hindi)
8m 19s
Sample Investigation Method (in Hindi)
10m 25s
Merits and demerits of sample investigation (in Hindi)
9m 50s
Methods of sampling :deliberate sampling (in Hindi)
9m 11s