{"id":9200,"date":"2025-09-24T23:35:16","date_gmt":"2025-09-24T20:35:16","guid":{"rendered":"https:\/\/www.econ.uoa.gr\/?post_type=course&#038;p=9200"},"modified":"2026-04-17T14:31:49","modified_gmt":"2026-04-17T11:31:49","slug":"qnt203-sampling-survey-techniques","status":"publish","type":"course","link":"https:\/\/www.econ.uoa.gr\/en\/course\/qnt203-sampling-survey-techniques\/","title":{"rendered":"QNT203 - Sampling Techniques (semester 4)"},"content":{"rendered":"<p><strong>Course Description<\/strong><\/p>\n<p><strong>SAMPLING TECHNIQUES<\/strong><\/p>\n<p><strong>Code:\u00a0<\/strong><strong>QNT<\/strong><strong>203<\/strong><\/p>\n<p>\u0395\u03be\u03ac\u03bc\u03b7\u03bd\u03bf: \u0392\u0384<\/p>\n<p>\u0394\u03b9\u03b4\u03ac\u03c3\u03ba\u03c9\u03bd: \u0399. \u039c\u03c0\u03b1\u03c3\u03b9\u03ac\u03ba\u03bf\u03c2<\/p>\n<p><strong>Purpose<\/strong><\/p>\n<p>\u0397 \u03bf\u03bb\u03bf\u03ad\u03bd\u03b1 \u03b1\u03c5\u03be\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b6\u03ae\u03c4\u03b7\u03c3\u03b7 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03c9\u03bd \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b5\u03ba\u03c4\u03b9\u03bc\u03ae\u03c3\u03b5\u03c9\u03bd \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03bf\u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ce\u03bd \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03ce\u03bd \u03b5\u03c0\u03b9\u03b2\u03ac\u03bb\u03bb\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03bf\u03bb\u03cc\u03b3\u03c9\u03bd, \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03be\u03b5\u03b9\u03b4\u03b9\u03ba\u03b5\u03c5\u03bc\u03ad\u03bd\u03bf\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ce\u03bd \u03b5\u03c1\u03b5\u03c5\u03bd\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd \u03c4\u03bf\u03c5\u03c2.<\/p>\n<p><strong>Content<\/strong><\/p>\n<p>1. \u03a0\u03b5\u03b4\u03af\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ce\u03bd \u03b5\u03c1\u03b5\u03c5\u03bd\u03ce\u03bd. 1.1. \u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ac \u03c3\u03c7\u03ad\u03b4\u03b9\u03b1. \u0395\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03c0\u03b9\u03bf \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf\u03c5 \u03c3\u03c7\u03b5\u03b4\u03af\u03bf\u03c5, \u03b1\u03bd \u03bb\u03b7\u03c6\u03b8\u03b5\u03af \u03ba\u03b1\u03b9 \u03b1\u03bd \u03b4\u03b5\u03bd \u03bb\u03b7\u03c6\u03b8\u03b5\u03af \u03c5\u03c0\u03cc\u03c8\u03b7 \u03c4\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2. \u03a3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1 \u03c3\u03b5 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03ce\u03c0\u03b9\u03c3\u03ae\u03c2 \u03c4\u03bf\u03c5\u03c2.<\/p>\n<p>2. \u03a4\u03c5\u03c7\u03b1\u03af\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03bc\u03b5\u03bb\u03ce\u03bd. 2.1. \u0391\u03c0\u03bb\u03ae \u03c4\u03c5\u03c7\u03b1\u03af\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1. \u0395\u03ba\u03c4\u03b9\u03bc\u03ae\u03c4\u03c1\u03b9\u03b5\u03c2 \u03bc\u03ad\u03c3\u03bf\u03c5, \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b9\u03bc\u03ae\u03c2, \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03af\u03b1\u03c2, \u03bb\u03cc\u03b3\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03b3\u03ba\u03b1\u03af\u03b1 \u03bc\u03b5\u03b3\u03ad\u03b8\u03b7 \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd \u03c3\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7. \u0395\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b5\u03c2, \u03bc\u03b5\u03c1\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2. 2.2. \u03a3\u03c5\u03c3\u03c4\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1. \u0395\u03ba\u03c4\u03b9\u03bc\u03ae\u03c4\u03c1\u03b9\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cd\u03bc\u03b1\u03bd\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03bc\u03ad\u03c3\u03bf\u03c5. 2.3. \u03a3\u03c4\u03c1\u03c9\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1. \u0393\u03b5\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b5\u03ba\u03c4\u03b9\u03bc\u03ae\u03c4\u03c1\u03b9\u03b5\u03c2, \u03b5\u03ba\u03c4\u03b9\u03bc\u03ae\u03c4\u03c1\u03b9\u03b5\u03c2 \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03b9\u03ba\u03ae\u03c2 \u03b4\u03b9\u03b1\u03bd\u03bf\u03bc\u03ae\u03c2, \u03ac\u03c1\u03b9\u03c3\u03c4\u03b7\u03c2-Neyman \u03b4\u03b9\u03b1\u03bd\u03bf\u03bc\u03ae\u03c2, \u03ac\u03c1\u03b9\u03c3\u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03bd\u03bf\u03bc\u03ae\u03c2 \u03b1\u03bd \u03bb\u03b7\u03c6\u03b8\u03b5\u03af \u03c5\u03c0\u03cc\u03c8\u03b7 \u03c4\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03b3\u03ba\u03b1\u03af\u03b1 \u03bc\u03b5\u03b3\u03ad\u03b8\u03b7 \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd. 2.4. \u0395\u03ba\u03c4\u03b9\u03bc\u03ae\u03c4\u03c1\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03b4\u03cd\u03bf \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1 \u03c5\u03c0\u03bf-\u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1.<\/p>\n<p>3. \u03a4\u03c5\u03c7\u03b1\u03af\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03bf\u03bc\u03ac\u03b4\u03c9\u03bd. 3.1. \u039c\u03bf\u03bd\u03bf\u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ae \u03ba\u03b1\u03b9 \u03b4\u03b9\u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ae \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b9\u03c3\u03bf\u03c0\u03bb\u03b7\u03b8\u03ce\u03bd \u03bf\u03bc\u03ac\u03b4\u03c9\u03bd, \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03c9\u03bd \u03bf\u03bc\u03ac\u03b4\u03c9\u03bd. 3.2. \u039c\u03bf\u03bd\u03bf\u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ae \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b1\u03bd\u03b9\u03c3\u03bf\u03c0\u03bb\u03b7\u03b8\u03ce\u03bd \u03bf\u03bc\u03ac\u03b4\u03c9\u03bd. \u0395\u03ba\u03c4\u03b9\u03bc\u03ae\u03c4\u03c1\u03b9\u03b5\u03c2 \u03b1\u03bd \u03bf \u03bc\u03ad\u03c3\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03b8\u03b5\u03c9\u03c1\u03b7\u03b8\u03b5\u03af \u03bb\u03cc\u03b3\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b9\u03bc\u03ae\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03ba\u03b1\u03b9 \u03b1\u03bd \u03bf\u03b9 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bf\u03cd\u03bd \u03bc\u03b5 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b5\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b5\u03b3\u03b5\u03b8\u03ce\u03bd \u03c4\u03bf\u03c5\u03c2. 3.3. \u0394\u03b9\u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ae \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b1\u03bd\u03b9\u03c3\u03bf\u03c0\u03bb\u03b7\u03b8\u03ce\u03bd \u03bf\u03bc\u03ac\u03b4\u03c9\u03bd: \u0395\u03ba\u03c4\u03b9\u03bc\u03ae\u03c4\u03c1\u03b9\u03b5\u03c2 \u03b1\u03bd \u03bf\u03b9 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bf\u03cd\u03bd \u03bc\u03b5 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b5\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b5\u03b3\u03b5\u03b8\u03ce\u03bd \u03c4\u03bf\u03c5\u03c2.<\/p>\n<p><strong>Course Textbooks<\/strong><\/p>\n<p>\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac: \u03a0. \u0396\u03b1\u0390\u03c1\u03b7\u03c2,. \u03a4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ce\u03bd \u0395\u03c1\u03b5\u03c5\u03bd\u03ce\u03bd, \u0391\u03b8\u03ae\u03bd\u03b1, 1991 \u03a7. \u0394\u03b1\u03bc\u03b9\u03b1\u03bd\u03bf\u03cd, \u039c\u03b5\u03b8\u03bf\u03b4\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2, \u0395\u03ba\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03a3\u03bf\u03c6\u03af\u03b1, \u0398\u03b5\u03c3\u03c3\u03b1\u03bb\u03bf\u03bd\u03af\u03ba\u03b7, 2007<\/p>\n<p>\u039e\u03b5\u03bd\u03cc\u03b3\u03bb\u03c9\u03c3\u03c3\u03b1: W. Cochran, Sampling Techniques, John Wiley &amp; Sons, 1977 L. Kish, Survey Sampling, John Wiley &amp; Sons, 1978Des Raj, Sample Survey Theory, Narosa Publishing House, 1998<\/p>","protected":false},"parent":0,"template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"course-type":[67,94,86],"semester":[81],"class_list":{"0":"post-9200","1":"course","2":"type-course","3":"status-publish","5":"course-type-eleftheris-epilogis","6":"course-type-94","7":"course-type-86","8":"semester-81"},"acf":[],"_links":{"self":[{"href":"https:\/\/www.econ.uoa.gr\/en\/wp-json\/wp\/v2\/course\/9200","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.econ.uoa.gr\/en\/wp-json\/wp\/v2\/course"}],"about":[{"href":"https:\/\/www.econ.uoa.gr\/en\/wp-json\/wp\/v2\/types\/course"}],"wp:attachment":[{"href":"https:\/\/www.econ.uoa.gr\/en\/wp-json\/wp\/v2\/media?parent=9200"}],"wp:term":[{"taxonomy":"course-type","embeddable":true,"href":"https:\/\/www.econ.uoa.gr\/en\/wp-json\/wp\/v2\/course-type?post=9200"},{"taxonomy":"semester","embeddable":true,"href":"https:\/\/www.econ.uoa.gr\/en\/wp-json\/wp\/v2\/semester?post=9200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}