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picture1_Report Pdf 118650 | Class 11th, Economics (statistics), Chapter 2


picture2_Report Pdf 118650 | Class 11th, Economics (statistics), Chapter 2 picture3_Report Pdf 118650 | Class 11th, Economics (statistics), Chapter 2

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File: Report Pdf 118650 | Class 11th, Economics (statistics), Chapter 2
Class-11, Economics (Statistics) chapter-2,Notes Sources of Data There are two sources of data • Primary Source of Data It implies collection of data from its source of origin. &bull ...

icon picture PDF Filetype PDF | Posted on 07 Oct 2022 | 2 years ago
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...Class economics statistics chapter notes sources of data there are two primary source it implies collection from its origin secondary some agency or institution which already happens to have collected the through statistical survey types by investigator for his own purpose first time beginning end called these been somebody else available in form published unpublished report principal differences between and original existence therefore not do need any adjustment be suit objective study hand expensive less methods i direct personal investigation is method personally information merits demerits this follows a originality reliability uniformity accuracy related elastic b difficult cover wide areas costly bias limited coverage ii indirect oral obtained persons regarding whom needed orally other who expected possess necessary given below expert opinion simple free accurate doubtful conclusions biased iii local correspondents under appoints at different places economical continuity suitable...
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