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methods of data collection in statistics pdf

x�0_���q���|%�W&�� e] Questionnaire filled by enumerators :– Data is collected by trained enumerators who fill questionnaires. improves the data quality and reduces survey costs. H��W�n��Fo ��R*,zwI�'( 0000003347 00000 n Data are the raw information from which statistics are created In reverse, statistics provide an interpretation and summary of data Questions (what we want to know) drive the collection of data If you want to understand a phenomenon, you need data Raw data is collected as a part of research, observations and surveys • Universe or population in statistics – Total items under study. speed have also caused the development of new modern technologies, especially in the data collection process. 0000101527 00000 n f ] Telephonic interviews :– Data is collected through an interview over the telephone with the interviewer. ",#(7),01444'9=82. Data Collection Method in Survey. 0000000016 00000 n 2] Non-random sampling. 0000004523 00000 n There are a number of methods available to the researcher for collecting data. … First, for an extensive study (however expensive it may be) this method is considered to be an ideal one. computer assisted telephone interviewing (CATI). endobj Non-probability sampling methods. Family farms process an average of 0.2 ha of vineyard per farm. the respondent can then check records and with other people. %PDF-1.5 introducing modern technologies in the process of data collection, processing, and dissemination. The use of new technologies both. 0000008567 00000 n 3. It provides complete and continuous demographic record of population. Since “universe” is the basis of data collection, its applicability becomes very much limited. d] Questions should be clear and simple. Privacy Policy3. Collection of Data in Statistics Class 11 Notes Download in PDF POINTS TO REMEMBER : 1. 0000008275 00000 n ���� JFIF � � �� JExif MM * 2 :( � � �� ,Photoshop 3.0 8BIM� � � ��8ICC_PROFILE (ADBE mntrRGB XYZ � acspAPPL none �� �-ADBE 3 0 obj endstream In-Person Interviews Pros: In-depth and a high degree of confidence on the data computer assisted personal interviewing (CAPI), computer assisted self- interviewing (CASI) which includes web and email forms, and. But they do not allow to estimate the extent to which sample statistics are likely to vary from population parameters. Interviews/focus groups and ethnography are qualitative methods. Share Your PPT File, Graphical Re­presentation of Statistical Data. be done from the Big Data, and how it can be improved in the future. Unpublished Source :– Census of India [They are collected by the organizations for their own record], 1] Random sampling 281 0 obj<>stream Two sources of data – Primary & Secondary Primary data – data collected by investigator himself secondary data – data collected by someone and used by the investigator. Collection Of Data In Statistics Class 11 Notes Download In PDF. ��i8��^��I3��4�@����.J+�E�H�ki�Y3\��PT5�&�>�iSS���c����g��-Nvn���]��ı[B���eH�Q�DZ[��/��s}lQy�и��O����ѩ�8�����X�c'A_*�ܷU9˙Jb�%�.9eWݳ!~���4���#�ۓ�l&�T�5�>�B�>-��K] i�=�؇��7�T/�݋��FX{�?w�2�h�r>�)c�����ޔ��6�D��0{��֗��z�n��ђ�́v������ݎ���@<=O�w��JX�=+_wu��ν\i\J�(L�^n�ȗk������]F����ǻ�~�f;e� SU�D.�\ͬ��9)�r��^���J{@��"��)�W� �|��PC›U�f�G���. stream ResearchGate has not been able to resolve any references for this publication. trailer For this purpose, a small number of students following a particular pres­cribed technique will be picked up (sample drawn) and their habits for consumption of liquor will be investigated. Welcome to EconomicsDiscussion.net! They produce results that are easy to summarize, compare, and generalize.

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