<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://files.passeidireto.com/50e50bcd-d624-47f2-8c1e-13babdb07e2f/bg1.png"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 lse ws6"> </div><div class="t m0 x2 h2 y2 ff1 fs0 fc0 sc0 lse ws6">1 </div><div class="c x1 y3 w2 h3"><div class="t m0 x0 h2 y4 ff1 fs0 fc0 sc0 lse ws6"> </div></div><div class="t m0 x1 h4 y5 ff2 fs1 fc1 sc0 lse ws6">Estatística Aplicada - Resumo </div><div class="t m0 x1 h4 y6 ff2 fs1 fc1 sc0 lse ws6"> </div><div class="t m0 x1 h5 y7 ff3 fs2 fc0 sc0 lse ws6">TESTES DE HIPÓTESES \u2013 CONCEITOS </div><div class="t m0 x1 h5 y8 ff3 fs2 fc0 sc0 lse ws6">INICIAIS </div><div class="t m0 x1 h6 y9 ff3 fs3 fc1 sc0 lse ws6">Hipótese </div><div class="t m0 x1 h7 ya ff2 fs4 fc0 sc0 lse ws6">Seja <span class="ff4">\ue73a</span></div><div class="t m0 x3 h8 yb ff4 fs5 fc0 sc0 ls0">\ueb35<span class="fs4 lse ws0 v1">, \u2026 , \ue73a</span></div><div class="t m0 x4 h9 yb ff4 fs5 fc0 sc0 ls1">\uebe1<span class="ff2 fs4 lse ws6 v1"> a.a de <span class="ff4 ws1">\ue73a<span class="_0 blank"> </span>\u223c<span class="_1 blank"> </span>\ue726 (\ue7e0 )</span>. Uma hipótese <span class="ff4 ls2">\ue72a</span> é qualquer afirmação sobre <span class="ff4 ws1">\ue726 (\ue7e0 )</span>. </span></div><div class="t m0 x5 h7 yc ff5 fs4 fc0 sc0 lse ws2">\uf0b7<span class="ff6 ls3 ws6"> <span class="ff2 ls4">Se <span class="ff4 ls2">\ue72a</span><span class="lse"> especifica completamente <span class="ff4 ws1">\ue726 (\ue7e0 )</span>, <span class="ff4 ls2">\ue72a</span> é hipótese simples. </span></span></span></div><div class="t m0 x5 h7 yd ff5 fs4 fc0 sc0 lse ws2">\uf0b7<span class="ff6 ls3 ws6"> <span class="ff2 ls4">Se <span class="ff4 ls2">\ue72a</span><span class="lse"> não especifica completamente <span class="ff4 ws1">\ue726 (\ue7e0 )</span>, <span class="ff4 ls2">\ue72a</span> é hipótese composta. </span></span></span></div><div class="t m0 x1 h7 ye ff2 fs4 fc0 sc0 lse ws6">Uma hipótese nula <span class="ff4">\ue72a</span></div><div class="t m0 x6 h9 yf ff4 fs5 fc0 sc0 ls5">\ueb34<span class="ff2 fs4 lse ws6 v1"> será uma hipótese simples e uma hipótese alternativa <span class="ff4">\ue72a</span></span></div><div class="t m0 x7 h9 yf ff4 fs5 fc0 sc0 ls0">\ueb35<span class="ff2 fs4 lse ws6 v1"> será </span></div><div class="t m0 x1 h7 y10 ff2 fs4 fc0 sc0 lse ws6">uma hipótese composta. </div><div class="t m0 x1 h6 y11 ff3 fs3 fc1 sc0 lse ws6">Definição \u2013 teste de hipótese </div><div class="t m0 x1 h7 y12 ff2 fs4 fc0 sc0 lse ws6">Um teste de hipótese (teste estatístico) é qualquer regra d<span class="_2 blank"></span>e decisão <span class="ff4 ws3">\u0393</span> para aceitação </div><div class="t m0 x1 h7 y13 ff2 fs4 fc0 sc0 lse ws6">ou rejeição de uma hipótese <span class="ff4 ls2">\ue72a</span>. </div><div class="t m0 x8 ha y14 ff4 fs4 fc0 sc0 lse ws6">\u0393:<span class="_3 blank"> </span> \ue754<span class="_0 blank"> </span>=<span class="_1 blank"> </span><span class="ws3 v2">(</span>\ue754</div><div class="t m0 x9 h8 y15 ff4 fs5 fc0 sc0 ls0">\ueb35<span class="fs4 lse ws4 v1">, \u2026 , \ue754</span></div><div class="t m0 xa hb y15 ff4 fs5 fc0 sc0 ls6">\uebe1<span class="fs4 lse ws3 v3">)<span class="ws6 v4"> <span class="_1 blank"> </span>\u27fc<span class="_1 blank"> </span>{<span class="ff2">"Aceita <span class="ff4 ls7">\ue72a</span><span class="ls8">"</span></span>,<span class="_3 blank"> </span> <span class="ff2">"Rejeita </span><span class="ws3">\ue72a"}</span><span class="ff2"> </span></span></span></div><div class="t m0 x1 h6 y16 ff3 fs3 fc1 sc0 lse ws6">Região de rejeição </div><div class="t m0 xb h7 y17 ff5 fs4 fc0 sc0 lse ws2">\uf0b7<span class="ff6 ls9 ws6"> <span class="ff2 lse">A região de rejeição (região crítica) é formada pelos val<span class="_2 blank"></span>ores para os quais o </span></span></div><div class="t m0 xc h7 y18 ff2 fs4 fc0 sc0 lse ws6">resultado do teste é \u201cRejeita <span class="ff4 ls7">\ue874<span class="fs5 lsa v5">\uead9</span></span>\u201d. </div><div class="t m0 xb h7 y19 ff5 fs4 fc0 sc0 lse ws2">\uf0b7<span class="ff6 ls9 ws6"> <span class="ff2 lse">A região de não rejeição (região de aceitação) é f<span class="_2 blank"></span>ormada pelos valores para os </span></span></div><div class="t m0 xc h7 y1a ff2 fs4 fc0 sc0 lse ws6">quais o resultado do teste é \u201cAceita <span class="ff4 ls7">\ue874<span class="fs5 lsa v5">\uead9</span></span>\u201d. </div><div class="t m0 x1 h6 y1b ff3 fs3 fc1 sc0 lse ws6">Erros associados a um teste </div><div class="t m0 x1 h7 y1c ff2 fs4 fc0 sc0 lse ws6">Erro do tipo I: Rejeitar uma hipótese verdadeira. </div><div class="t m0 x1 h7 y1d ff2 fs4 fc0 sc0 lse ws6">Erro do tipo II: Não rejeitar uma hipótese falsa. </div><div class="t m0 xd h7 y1e ff2 fs4 fc0 sc0 lse ws6"> </div><div class="t m0 xe ha y1f ff4 fs4 fc0 sc0 lse ws5">\ue7d9<span class="_0 blank"> </span>=<span class="_1 blank"> </span>\ue732 <span class="ws3 v2">(</span><span class="ws6">\ue727\ue74e\ue74e\ue74b<span class="_4 blank"> </span> \ue750\ue745\ue74c\ue74b<span class="_4 blank"> </span> \ue72b<span class="_4 blank"> </span><span class="ws3 v2">)</span><span class="ff2 ls7">=</span><span class="lsb">\ue732</span><span class="ws3 v2">(</span>\ue734\ue741\ue746\ue741\ue745\ue750\ue73d\ue74e \ue72a</span></div><div class="t m0 xf h9 y20 ff4 fs5 fc0 sc0 ls0">\ueb34<span class="ff2 fs4 lse ws6 v1"> / <span class="ff4">\ue72a</span></span></div><div class="t m0 x10 hb y20 ff4 fs5 fc0 sc0 ls5">\ueb34<span class="fs4 lse ws6 v1"> é \ue752\ue741\ue74e\ue740\ue73d\ue740\ue741\ue745\ue74e\ue73d<span class="lsc v2">)</span><span class="ff2"> (Nível de significância) </span></span></div><div class="t m0 x11 ha y21 ff4 fs4 fc0 sc0 lse ws5">\ue7da<span class="_0 blank"> </span>=<span class="_1 blank"> </span>\ue732 <span class="ws3 v2">(</span><span class="ws6">\ue727\ue74e\ue74e\ue74b \ue750\ue745\ue74c\ue74b \ue72b\ue72b<span class="_4 blank"> </span><span class="lsd v2">)</span>=<span class="_1 blank"> </span>\ue732<span class="_4 blank"> </span>(\ue730ã\ue74b \ue74e\ue741\ue746\ue741\ue745\ue750\ue73d\ue74e \ue72a</span></div><div class="t m0 x12 h9 y22 ff4 fs5 fc0 sc0 ls5">\ueb34<span class="ff2 fs4 lse ws6 v1"> / <span class="ff4">\ue72a</span></span></div><div class="t m0 x13 h9 y22 ff4 fs5 fc0 sc0 ls5">\ueb34<span class="fs4 lse ws6 v1"> é \ue742\ue73d\ue748\ue74f\ue73d<span class="_4 blank"> </span>)<span class="ff2"> </span></span></div></div><div class="pi" data-data='{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}'></div></div>
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