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H_0: H \\, \\leq \\, 0
H_1: H \\, > \\, 0

",{"_43":86,"_81":87,"_83":88},"7654248f-05d5-4d6f-b209-877bc1dc0e93","B","

H_0: H \\, = \\, 0
H_1: H \\, \\neq \\, 0

",{"_43":90,"_81":91,"_83":92},"16f01408-15cd-4ab2-a3d1-5e3bbcce32e0","C","

H_0: H \\, \\neq \\, 0
H_1: H \\, = \\, 0

",{"_43":94,"_81":95,"_83":96},"f1f6512b-2de1-4f68-9f28-e493881ae00e","D","

H_0: H \\, < \\, 0
H_1: H \\, \\geq \\, 0

",{"_43":98,"_81":99,"_83":100},"2b656bdf-cefc-42fb-b0e5-81be8fc69db2","E","

H_0: H \\, = \\, 0
H_1: H \\, \\leq \\, 0

","solution_explanation","statement","

Quais são as hipóteses para esse teste?

","status","pending_classification","hasRelatedVideo","relatedVideos",[109],{"_110":111,"_129":130,"_51":145,"_162":163,"_179":180},"content",{"_43":112,"_57":113,"_114":-5,"_115":116,"_117":118,"_119":-5,"_45":120,"_123":124,"_125":124,"_126":-5,"_127":128},"6a6eec4d-603e-4fa9-a981-824fac44dc50","Econometria - Parte 03","description","content_type_id","1051eee7-c62e-4b2c-9900-77a29fcec080","resource_id","fa55df99-6e31-4413-919d-932defb3d2b9","user_id",{"_121":122},"external_id","10416","created_at","2025-08-20T12:27:41.608438+00:00","updated_at","content_group_id","slug","econometria-parte-03","prometheusData",{"_131":132,"_138":139,"_140":141,"_142":143,"_28":144},"provider",{"_43":133,"_134":135,"_136":137},"06f120be-2194-4548-8336-7ba44ffbae14","key","grupo_q_proteus","kind","proteus","reference","add3c171-46e8-4480-a40a-e0f77c4a7c7f","state","completed","thumbnail_url","https://proteus.grupoq.io/videos/add3c171-46e8-4480-a40a-e0f77c4a7c7f/thumbnailsthumb.0000000.jpg","https://proteus.grupoq.io/videos/add3c171-46e8-4480-a40a-e0f77c4a7c7f/levels.m3u8",[146],{"_43":147,"_57":58,"_59":60,"_148":149,"_150":151,"_123":152,"_125":152,"_45":153,"_127":159,"_160":161},"17d595a7-4d73-4b12-9614-a806af3973c7","tag_group_id","c1ce2cf2-b217-4cc7-8182-81c56bd3522d","parent_id","b2a1e2c4-2c30-434c-96db-3b1ce30d21a0","2025-04-29T03:44:27.560682+00:00",{"_154":155,"_156":155,"_157":158},"childrenCount",0,"content_count","question_count",4343,"econometria-2","children",[],"video",{"_43":118,"_13":113,"_114":-5,"_164":155,"_165":166,"_28":-5,"_167":-5,"_131":166,"_168":169,"_142":-5,"_170":-5,"_171":-5,"_172":-5,"_173":-5,"_45":174,"_175":155,"_176":-5,"_104":177,"_123":178,"_125":178},"duration","source_type","prometheus","iframe_url","provider_video_id","874a8d14-5828-40fa-a8a8-62212a9ab895","format","quality","file_path","file_size",{"_121":122},"views_count","last_played_at","draft","2025-08-19T11:56:22.11908+00:00","tag",{"_43":147,"_57":58,"_59":60,"_148":149,"_150":151,"_123":152,"_125":152,"_45":181,"_127":159,"_160":182},{"_154":155,"_156":155,"_157":158},[],"similarQuestions",[185,204,227],{"_40":41,"_42":41,"_43":186,"_77":187,"_101":41,"_102":200,"_51":201},"25ebd1d2-ded7-4c51-8670-9cb3220eaefe",[188,191,194,197],{"_43":189,"_81":82,"_83":190},"adf26426-189b-416e-b1fe-f14dbfe9b415","A hegemonia bélico-militar continua sendo dos Estados Unidos.",{"_43":192,"_81":87,"_83":193},"9ca86a3b-b609-4e11-a3e4-859125c1d07f","O domínio do estratégico setor de informática está nas mãos do Japão.",{"_43":195,"_81":91,"_83":196},"5cca1542-2e5a-48a5-a448-09ac6f965a7a","O poder econômico-financeiro se concentra cada vez mais na União Europeia.",{"_43":198,"_81":95,"_83":199},"2fb5f070-e10a-4e0f-85c0-362e37b85a57","Os índices de desemprego mais elevados são os do Japão.","

Sobre o papel dos três grandes centros do poder mundial - Estados Unidos, União Europeia e Japão - afirma-se, corretamente:

",[202],{"_43":147,"_57":58,"_59":60,"_148":149,"_150":151,"_123":152,"_125":152,"_45":203,"_127":159},{"_154":155,"_156":155,"_157":158},{"_40":205,"_42":41,"_43":206,"_77":207,"_101":222,"_102":223,"_51":224},"00070a12-c9b5-456c-933f-a34188008f5b","4338ca26-1c49-4238-a5bb-9fde60d727ca",[208,211,214,217,219],{"_43":209,"_81":82,"_83":210},"a8d201c8-34f3-4067-b893-8fd92b3b8d28","I e III.",{"_43":212,"_81":87,"_83":213},"aaf010cc-cba2-421c-bfd5-9b6365a5af5e","I.",{"_43":215,"_81":91,"_83":216},"e0106468-f68b-44f7-bcf3-62cd776e468b","III.",{"_43":205,"_81":95,"_83":218},"I e II.",{"_43":220,"_81":99,"_83":221},"e3fbf328-7642-46c8-9194-fd73fd78506d","II e III.","No modelo linear simples, os estimadores MQO são βˆ = Σ(xi−x̄)(yi−ȳ)/Σ(xi−x̄)² e αˆ = ȳ − βˆ x̄. O item I expressa corretamente αˆ; o item II apresenta a forma canônica de βˆ; já o item III costuma omitir os desvios em torno das médias, ficando incorreto. Logo, somente I e II estão corretos.","Na forma ajustada do modelo de regressão, são, respectivamente, os estimadores de mínimos quadrados ordinários de α e β. Pode-se afirmar que:",[225],{"_43":147,"_57":58,"_59":60,"_148":149,"_150":151,"_123":152,"_125":152,"_45":226,"_127":159},{"_154":155,"_156":155,"_157":158},{"_40":228,"_42":41,"_43":229,"_77":230,"_101":41,"_102":242,"_51":243},"93b74a3c-668c-46db-9214-6f38b94fa3a9","e799b6de-9300-4d42-8737-ea78ba87f3d5",[231,234,236,239],{"_43":232,"_81":82,"_83":233},"6ca67477-0ef2-4fa0-8991-a76d9fbac3b8","Séries temporais.",{"_43":228,"_81":87,"_83":235},"Causal.",{"_43":237,"_81":91,"_83":238},"069b39e8-04b2-4756-a161-f70cb955bba7","Qualitativa.",{"_43":240,"_81":95,"_83":241},"6e71b453-d68b-4155-af7c-cf52373c61c7","Simulação.","

Este modelo de previsão assume inicialmente um modelo teórico que está conformado entre uma variável dependente (a ser estimada) e outra independente. Diante disso, assinale a alternativa que apresenta método descrito acima:

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Comentários