{"id":34444,"date":"2023-12-08T04:03:16","date_gmt":"2023-12-08T04:03:16","guid":{"rendered":"https:\/\/masterskills.org\/blog\/chon-mau-phi-xac-suat-non-probability-sampling-trong-kiem-toan-la-gi-phuong-phap-chon.html"},"modified":"2023-12-23T20:57:10","modified_gmt":"2023-12-23T13:57:10","slug":"chon-mau-phi-xac-suat-non-probability-sampling-trong-kiem-toan-la-gi-phuong-phap-chon","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/chon-mau-phi-xac-suat-non-probability-sampling-trong-kiem-toan-la-gi-phuong-phap-chon.html","title":{"rendered":"Ch\u1ecdn m\u1eabu phi x\u00e1c su\u1ea5t (Non-probability sampling) trong ki\u1ec3m to\u00e1n l\u00e0 g\u00ec? Ph\u01b0\u01a1ng ph\u00e1p ch\u1ecdn"},"content":{"rendered":"
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H\u00ecnh minh ho\u1ea1 (Ngu\u1ed3n: thoughtco)<\/p>\n<\/div>\n<\/div>\n

Cho\u0323n m\u00e2\u0303u phi xa\u0301c su\u00e2\u0301t trong ki\u1ec3m to\u00e1n\u00a0<\/font><\/h2>\n

Kha\u0301i ni\u1eb9\u0302m<\/b><\/p>\n

Cho\u0323n m\u00e2\u0303u phi xa\u0301c su\u00e2\u0301t<\/b> trong ti\u1ebfng Anh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 non-probability sampling.<\/b><\/p>\n

Cho\u0323n m\u00e2\u0303u phi xa\u0301c su\u00e2\u0301t<\/b> la\u0300 ca\u0301ch cho\u0323n m\u00e2\u0303u theo pha\u0301n \u0111oa\u0301n chu\u0309 quan va\u0300 kho\u0302ng d\u01b0\u0323a theo phu\u031bo\u031bng pha\u0301p ma\u0301y mo\u0301c, kha\u0301ch quan.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p ch\u1ecdn m\u1eabu<\/font><\/h3>\n

Trong cho\u0323n m\u00e2\u0303u phi xa\u0301c su\u00e2\u0301t thu\u031b\u01a1\u0300ng s\u01b0\u0309 du\u0323ng ca\u0301c phu\u031bo\u031bng pha\u0301p:<\/p>\n

– Cho\u0323n m\u00e2\u0303u theo kh\u00f4\u0301i<\/b><\/p>\n

Cho\u0323n m\u00e2\u0303u theo kh\u00f4\u0301i <\/b>la\u0300 vi\u1eb9\u0302c cho\u0323n m\u1ecd\u0302t t\u1ea1\u0302p h\u01a1\u0323p ca\u0301c m\u00e2\u0303u lie\u0302n tu\u0323c trong m\u1ecd\u0302t d\u00e2\u0303y nh\u00e2\u0301t \u0111i\u0323nh.<\/p>\n

Nguye\u0302n t\u0103\u0301c:<\/b> Trong tru\u031b\u01a1\u0300ng h\u01a1\u0323p na\u0300y, ph\u00e2\u0300n t\u01b0\u0309 \u0111\u00e2\u0300u tie\u0302n trong kh\u00f4\u0301i \u0111a\u0303 \u0111u\u031b\u01a1\u0323c cho\u0323n thi\u0300 ph\u00e2\u0300n co\u0300n la\u0323i cu\u0303ng \u0111u\u031b\u01a1\u0323c cho\u0323n t\u00e2\u0301t y\u00ea\u0301u.<\/p>\n

Phu\u031bo\u031bng pha\u0301p na\u0300y \u0111u\u031b\u01a1\u0323c s\u01b0\u0309 du\u0323ng n\u00ea\u0301u sai so\u0301t tro\u0323ng y\u00ea\u0301u pha\u0302n b\u00f4\u0301 t\u1ea1\u0302p trung theo nh\u01b0\u0303ng kh\u00f4\u0301i qu\u00e2\u0300n th\u00ea\u0309 nh\u00e2\u0301t \u0111i\u0323nh ho\u1ea1\u0306c \u0111u\u031b\u01a1\u0323c a\u0301p du\u0323ng v\u01a1\u0301i \u0111a\u0301m \u0111o\u0302ng v\u01a1\u0301i ki\u0301ch c\u01a1\u0303 nho\u0309.<\/p>\n

Vi\u0301 du\u0323: <\/b>Cho\u0323n 10 phi\u00ea\u0301u thu b\u0103\u0301t \u0111\u00e2\u0300u t\u01b0\u0300 s\u00f4\u0301 3472, v\u1ea1\u0302y 10 phi\u00ea\u0301u thu lie\u0302n ti\u00ea\u0301p la\u0300 3472 \u2013 3481.<\/p>\n

Nh\u1ea1\u0302n xe\u0301t: <\/b>M\u00e2\u0303u \u0111u\u031b\u01a1\u0323c cho\u0323n se\u0303 co\u0301 ti\u0301nh \u0111a\u0323i di\u1eb9\u0302n kho\u0302ng cao n\u00ea\u0301u s\u00f4\u0301 lu\u031b\u01a1\u0323ng kh\u00f4\u0301i \u0111u\u031b\u01a1\u0323c cho\u0323n nho\u0309.<\/p>\n

– Cho\u0323n m\u00e2\u0303u theo nh\u1ea1\u0302n \u0111i\u0323nh<\/b><\/p>\n

Cho\u0323n m\u00e2\u0303u theo nh\u1ea1\u0302n \u0111i\u0323nh<\/b> la\u0300 vi\u1eb9\u0302c cho\u0323n m\u00e2\u0303u hoa\u0300n toa\u0300n d\u01b0\u0323a tre\u0302n nh\u01b0\u0303ng xe\u0301t \u0111oa\u0301n chu\u0309 quan cu\u0309a nha\u0300 ngh\u00ea\u0300.<\/p>\n

Trong nhi\u00ea\u0300u tru\u031b\u01a1\u0300ng h\u01a1\u0323p, khi co\u0301 ki\u0301ch c\u01a1\u0303 m\u00e2\u0303u nho\u0309 ho\u1ea1\u0306c co\u0301 ti\u0301nh hu\u00f4\u0301ng kho\u0302ng bi\u0300nh thu\u031b\u01a1\u0300ng… cho\u0323n m\u00e2\u0303u theo nh\u1ea1\u0302n \u0111i\u0323nh se\u0303 ta\u0323o co\u031b h\u1ecd\u0302i t\u00f4\u0301t cho s\u01b0\u0323 xu\u00e2\u0301t hi\u1eb9\u0302n cu\u0309a nh\u01b0\u0303ng m\u00e2\u0303u \u0111a\u0323i di\u1eb9\u0302n.<\/p>\n

\u0110i\u00ea\u0300u ki\u1eb9\u0302n ti\u00ea\u0301n ha\u0300nh<\/b><\/p>\n

Ki\u00ea\u0309m toa\u0301n vie\u0302n pha\u0309i n\u0103\u0301m \u0111u\u031b\u01a1\u0323c \u0111\u1ea1\u0306c \u0111i\u00ea\u0309m co\u031b ba\u0309n cu\u0309a kha\u0301ch th\u00ea\u0309 ki\u00ea\u0309m toa\u0301n va\u0300 \u00e2\u0301n \u0111i\u0323nh \u0111u\u031b\u01a1\u0323c m\u00e2\u0303u \u0111a\u0323i di\u1eb9\u0302n tru\u031b\u01a1\u0301c khi cho\u0323n m\u00e2\u0303u.<\/p>\n

Vi\u0301 du\u0323: <\/b>Cho\u0323n ca\u0301c phi\u00ea\u0301u thu hay phi\u00ea\u0301u chi va\u0300o ca\u0301c th\u01a1\u0300i \u0111i\u00ea\u0309m thay \u0111\u00f4\u0309i nha\u0302n s\u01b0\u0323, xem xe\u0301t vi\u1eb9\u0302c ghi s\u00f4\u0309 k\u00ea\u0301 toa\u0301n khi chuy\u00ea\u0309n \u0111\u00f4\u0309i co\u031b ch\u00ea\u0301 kinh t\u00ea\u0301 ho\u1ea1\u0306c ch\u00ea\u0301 \u0111\u1ecd\u0302 k\u00ea\u0301 toa\u0301n.<\/p>\n

\u0110\u00ea\u0309 ta\u0306ng \u0111u\u031b\u01a1\u0323c kha\u0309 na\u0306ng cu\u0309a phu\u031bo\u031bng pha\u0301p nh\u1ea1\u0302n \u0111i\u0323nh thu\u031b\u01a1\u0300ng pha\u0309i t\u1ea1\u0302p trung chu\u0301 y\u0301 va\u0300o pha\u0302n b\u00f4\u0301 m\u00e2\u0303u cho\u0323n theo ca\u0301c hu\u031b\u01a1\u0301ng kha\u0301c nhau:<\/p>\n

+ Theo loa\u0323i nghi\u1eb9\u0302p vu\u0323 kinh t\u00ea\u0301 chu\u0309 y\u00ea\u0301u<\/b><\/p>\n

Vi\u0301 du\u0323 khi xem xe\u0301t ca\u0301c nghi\u1eb9\u0302p vu\u0323 cung \u01b0\u0301ng va\u0300 di\u0323ch vu\u0323, kho\u0302ng ne\u0302n chi\u0309 xem xe\u0301t ca\u0301c nghi\u1eb9\u0302p vu\u0323 mua nguye\u0302n v\u1ea1\u0302t li\u1eb9\u0302u ma\u0300 pha\u0309i quan ta\u0302m \u0111\u00ea\u0301n ca\u0301c nghi\u1eb9\u0302p vu\u0323 qua\u0309ng ca\u0301o, s\u01b0\u0309a ch\u01b0\u0303a.<\/p>\n

+ Theo ph\u00e2\u0300n vi\u1eb9\u0302c do ca\u0301c nha\u0302n vie\u0302n kha\u0301c nhau phu\u0323 tra\u0301ch: <\/b>s\u00f4\u0301 lu\u031b\u01a1\u0323ng nghi\u1eb9\u0302p vu\u0323 do m\u00f4\u0303i ngu\u031b\u01a1\u0300i th\u01b0\u0323c hi\u1eb9\u0302n pha\u0309i \u0111u\u031b\u01a1\u0323c ki\u00ea\u0309m toa\u0301n. N\u00ea\u0301u co\u0301 thay \u0111\u00f4\u0309i nha\u0302n vie\u0302n se\u0303 d\u00ea\u0303 co\u0301 m\u00e2\u0303u cho\u0323n kho\u0302ng \u0111a\u0323i di\u1eb9\u0302n khi gi\u01a1\u0301i ha\u0323n pha\u0323m vi cho\u0323n m\u00e2\u0303u.<\/p>\n

+ Theo qui mo\u0302:<\/b> khi cho\u0323n ca\u0301c m\u00e2\u0303u co\u0301 qui mo\u0302 ti\u00ea\u0300n t\u1eb9\u0302 kha\u0301c nhau thi\u0300 ca\u0301c khoa\u0309n mu\u0323c, nghi\u1eb9\u0302p vu\u0323, ta\u0300i khoa\u0309n… co\u0301 s\u00f4\u0301 du\u031b l\u01a1\u0301n c\u00e2\u0300n \u0111u\u031b\u01a1\u0323c cho\u0323n \u0111\u00ea\u0309 ki\u00ea\u0309m toa\u0301n.<\/p>\n

U\u031bu \u0111i\u00ea\u0309m: <\/b>Chi phi\u0301 cho ki\u00ea\u0309m toa\u0301n th\u00e2\u0301p, do kho\u0302ng pha\u0309i ti\u00ea\u0301n ha\u0300nh ca\u0301c bu\u031b\u01a1\u0301c cho\u0323n m\u00e2\u0303u theo ca\u0301c ca\u0301ch tre\u0302n.<\/p>\n

Nhu\u031b\u01a1\u0323c \u0111i\u00ea\u0309m:<\/b> Ru\u0309i ro l\u01a1\u0301n, n\u00ea\u0301u ki\u00ea\u0309m toa\u0301n vie\u0302n kho\u0302ng \u00e2\u0301n \u0111i\u0323nh \u0111u\u031b\u01a1\u0323c m\u00e2\u0303u \u0111i\u00ea\u0309n hi\u0300nh.<\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: \u0110\u1ed1i t\u01b0\u1ee3ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m to\u00e1n, \u0110H Kinh t\u1ebf Qu\u1ed1c d\u00e2n)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Ch\u1ecdn m\u1eabu phi x\u00e1c su\u1ea5t (ti\u1ebfng Anh: Non-probability sampling) l\u00e0 c\u00e1ch ch\u1ecdn m\u1eabu theo ph\u00e1n \u0111o\u00e1n ch\u1ee7 quan v\u00e0 kh\u00f4ng d\u1ef1a theo ph\u01b0\u01a1ng ph\u00e1p m\u00e1y m\u00f3c, kh\u00e1ch quan.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[419],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/34444"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=34444"}],"version-history":[{"count":1,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/34444\/revisions"}],"predecessor-version":[{"id":68030,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/34444\/revisions\/68030"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=34444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=34444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=34444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}