{"id":24404,"date":"2023-12-06T12:11:58","date_gmt":"2023-12-06T12:11:58","guid":{"rendered":"https:\/\/masterskills.org\/blog\/sai-so-ngoai-chon-mau-non-sampling-error-la-gi.html"},"modified":"2023-12-22T09:45:01","modified_gmt":"2023-12-22T02:45:01","slug":"sai-so-ngoai-chon-mau-non-sampling-error-la-gi","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/sai-so-ngoai-chon-mau-non-sampling-error-la-gi.html","title":{"rendered":"Sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu (Non-Sampling Error) l\u00e0 g\u00ec?"},"content":{"rendered":"
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H\u00ecnh minh h\u1ecda<\/i><\/p>\n<\/figcaption><\/figure>\n

Sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu<\/font><\/h2>\n

Kh\u00e1i ni\u1ec7m<\/b><\/p>\n

Sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu<\/b> trong ti\u1ebfng Anh l\u00e0 Non-Sampling Error.<\/b><\/p>\n

Sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu<\/i> l\u00e0 thu\u1eadt ng\u1eef th\u1ed1ng k\u00ea ch\u1ec9 nh\u1eefng sai s\u1ed1 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh thu th\u1eadp d\u1eef li\u1ec7u, khi\u1ebfn cho d\u1eef li\u1ec7u kh\u00e1c v\u1edbi gi\u00e1 tr\u1ecb th\u1ef1c.\u00a0Sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu<\/i> \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c sai s\u1ed1 ng\u1eabu nhi\u00ean ho\u1eb7c sai s\u1ed1 h\u1ec7 th\u1ed1ng; v\u00e0 c\u00e1c sai s\u1ed1 n\u00e0y c\u00f3 th\u1ec3 kh\u00f3 ph\u00e1t hi\u1ec7n trong m\u1ed9t cu\u1ed9c kh\u1ea3o s\u00e1t, m\u1eabu ho\u1eb7c \u0111i\u1ec1u tra d\u00e2n s\u1ed1.<\/p>\n

Sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu<\/i> kh\u00e1c v\u1edbi sai s\u1ed1 ch\u1ecdn m\u1eabu. Sai s\u1ed1 ch\u1ecdn m\u1eabu l\u00e0 sai s\u1ed1 th\u1ed1ng k\u00ea x\u1ea3y ra khi nh\u00e0 ph\u00e2n t\u00edch kh\u00f4ng ch\u1ecdn m\u1eabu \u0111\u1ea1i di\u1ec7n cho to\u00e0n b\u1ed9 t\u1ed5ng th\u1ec3 d\u1eef li\u1ec7u, v\u00e0 k\u1ebft qu\u1ea3 t\u00ecm th\u1ea5y trong m\u1eabu kh\u00f4ng \u0111\u1ea1i di\u1ec7n cho k\u1ebft qu\u1ea3 s\u1ebd thu \u0111\u01b0\u1ee3c t\u1eeb t\u1ed5ng th\u1ec3.<\/p>\n

Sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu <\/i>c\u00f3 th\u1ec3 x\u1ea3y ra \u1edf t\u1ea5t c\u1ea3 c\u00e1c cu\u1ed9c \u0111i\u1ec1u tra. Sai s\u1ed1 ch\u1ecdn m\u1eabu ch\u1ec9 x\u1ea3y ra trong \u0111i\u1ec1u tra ch\u1ecdn m\u1eabu.<\/p>\n

Sai s\u1ed1 ch\u1ecdn m\u1eabu c\u00f3 th\u1ec3 x\u1ea3y ra ngay c\u1ea3 khi kh\u00f4ng c\u00f3 nh\u00e0 ph\u00e2n t\u00edch kh\u00f4ng m\u1eafc b\u1ea5t k\u00ec l\u1ed7i n\u00e0o. “Sai s\u1ed1” xu\u1ea5t ph\u00e1t t\u1eeb th\u1ef1c t\u1ebf l\u00e0 d\u1eef li\u1ec7u trong m\u1ed9t m\u1eabu kh\u00f4ng th\u1ec3 kh\u1edbp ho\u00e0n h\u1ea3o v\u1edbi d\u1eef li\u1ec7u trong t\u1ed5ng th\u1ec3. Sai s\u1ed1 ch\u1ecdn m\u1eabu c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u b\u1eb1ng c\u00e1ch t\u0103ng k\u00edch th\u01b0\u1edbc m\u1eabu.<\/p>\n

Sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu<\/i> l\u00e0 nh\u1eefng sai s\u1ed1 xu\u1ea5t ph\u00e1t t\u1eeb c\u00e1c nguy\u00ean nh\u00e2n kh\u00e1c, bao g\u1ed3m c\u1ea3 sai s\u1ed1 ph\u00e1t sinh t\u1eeb k\u0129 thu\u1eadt ch\u1ecdn m\u1eabu k\u00e9m.<\/p>\n

Hi\u1ec3u th\u00eam v\u1ec1 sai s\u1ed1 ch\u1ecdn m\u1eabu<\/font><\/h3>\n

Sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu <\/i>c\u00f3 hai lo\u1ea1i: ng\u1eabu nhi\u00ean v\u00e0 c\u00f3 h\u1ec7 th\u1ed1ng.<\/p>\n

Sai s\u1ed1 ng\u1eabu nhi\u00ean \u0111\u01b0\u1ee3c cho l\u00e0 b\u00f9 tr\u1eeb cho nhau v\u00e0 th\u01b0\u1eddng \u00edt \u0111\u01b0\u1ee3c quan t\u00e2m. C\u00e1c l\u1ed7i h\u1ec7 th\u1ed1ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn to\u00e0n b\u1ed9 m\u1eabu v\u00e0 do \u0111\u00f3 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng h\u01a1n. C\u00e1c sai s\u1ed1 ng\u1eabu nhi\u00ean n\u00f3i chung s\u1ebd kh\u00f4ng d\u1eabn \u0111\u1ebfn vi\u1ec7c lo\u1ea1i b\u1ecf to\u00e0n b\u1ed9 m\u1ed9t m\u1eabu ho\u1eb7c m\u1ed9t cu\u1ed9c \u0111i\u1ec1u tra d\u00e2n s\u1ed1, trong khi \u0111\u00f3 m\u1ed9t l\u1ed7i h\u1ec7 th\u1ed1ng r\u1ea5t c\u00f3 th\u1ec3 s\u1ebd khi\u1ebfn d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thu th\u1eadp tr\u1edf th\u00e0nh kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.<\/p>\n

C\u00f3 r\u1ea5t nhi\u1ec1u nguy\u00ean nh\u00e2n khi\u1ebfn sai s\u1ed1 ngo\u00e0i l\u1ea5y m\u1eabu c\u00f3 th\u1ec3 x\u1ea3y ra. V\u00ed d\u1ee5: sai s\u1ed1 ngo\u00e0i l\u1ea5y m\u1eabu c\u00f3 x\u1ea3y ra do l\u1ed7i nh\u1eadp d\u1eef li\u1ec7u, c\u00e2u h\u1ecfi kh\u1ea3o s\u00e1t sai l\u1ec7ch, x\u1eed l\u00fd \/ ra quy\u1ebft \u0111\u1ecbnh sai l\u1ec7ch, kh\u00f4ng ph\u1ea3n h\u1ed3i, k\u1ebft lu\u1eadn ph\u00e2n t\u00edch kh\u00f4ng ph\u00f9 h\u1ee3p v\u00e0 th\u00f4ng tin ng\u01b0\u1eddi tr\u1ea3 l\u1eddi cung c\u1ea5p l\u00e0 sai.<\/p>\n

L\u01b0u \u00fd v\u1ec1 sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu<\/font><\/h4>\n

T\u0103ng k\u00edch th\u01b0\u1edbc m\u1eabu c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m thi\u1ec3u sai s\u1ed1 ch\u1ecdn m\u1eabu, nh\u01b0ng kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng g\u00ec trong vi\u1ec7c gi\u1ea3m c\u00e1c sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu<\/i>. \u0110i\u1ec1u n\u00e0y l\u00e0 do sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu<\/i> th\u01b0\u1eddng r\u1ea5t kh\u00f3 ph\u00e1t hi\u1ec7n v\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf.<\/p>\n

Sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu<\/i> bao g\u1ed3m l\u1ed7i kh\u00f4ng ph\u1ea3n h\u1ed3i, l\u1ed7i ph\u1ecfng v\u1ea5n v\u00e0 l\u1ed7i x\u1eed l\u00ed. V\u00ed d\u1ee5, sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu<\/i> s\u1ebd x\u1ea3y ra n\u1ebfu c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a m\u1ed9t l\u1ea7n b\u1ecb tr\u00f9ng l\u1eb7p trong cu\u1ed9c kh\u1ea3o s\u00e1t. N\u1ebfu ng\u01b0\u1eddi ph\u1ecfng v\u1ea5n c\u00f3\u00a0\u0111\u1ecbnh ki\u1ebfn\u00a0trong vi\u1ec7c l\u1ea5y m\u1eabu, sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu<\/b> s\u1ebd \u0111\u01b0\u1ee3c coi l\u00e0 l\u1ed7i c\u1ee7a ng\u01b0\u1eddi ph\u1ecfng v\u1ea5n.<\/p>\n

(Tham kh\u1ea3o:\u00a0 Sampling Error, Investopedia; “\u0110i\u1ec1u tra ch\u1ecdn m\u1eabu”, topica.edu.vn)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Sai s\u1ed1 ngo\u00e0i ch\u1ecdn m\u1eabu (ti\u1ebfng Anh: Non-Sampling Error) l\u00e0 thu\u1eadt ng\u1eef th\u1ed1ng k\u00ea ch\u1ec9 nh\u1eefng sai s\u1ed1 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh thu th\u1eadp d\u1eef li\u1ec7u, khi\u1ebfn cho d\u1eef li\u1ec7u kh\u00e1c v\u1edbi gi\u00e1 tr\u1ecb th\u1ef1c.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[414],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/24404"}],"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=24404"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/24404\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=24404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=24404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=24404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}