Collection Of Data - 30 Minutes Revision | Class 11 Economics (Statistics) Chapter 2
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✅ In this video,
✔️ Class: 11th
✔️ Subject: Economics (Statistics)
✔️ Chapter: Collection Of Data (Chapter 2)
✔️ Topic Name: Collection Of Data - 30 Minutes Revision | Class 11 Economics (Statistics) Chapter 2
✔️ Topics Covered In This Video (By Sakshi Mam): 30 Minutes Revision Of The Chapter Collection Of Data Has Been Discussed In This Video.
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00:00 Introduction Collection Of Data - 30 Minutes Revision
00:20 Source Of Data
02:12 Types Of Data
02:43 Methods Of Collecting Primary Data
03:07 Personal Interview
06:12 Telephonic Interview
08:00 Mailing Questionnaire
12:22 Schedules Filled By Enumerators
14:40 Information From Correspondents
15:38 Questionnaire
16:46 Types Of Question In Questionnaire
17:04 Important Agencies Of Secondary Data
17:26 Census &Sample Surveys
17:59 Methods Of Sampling
19:21Sampling & Non Samoling Erroros
20:56 Website Overview
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