
Revisão Probabilidade e Estatística
Authored by BRUNA ZAPPELINO
Mathematics
University
CCSS covered
Used 49+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pesquisa que inclua todos os membros da população:
Amostra
Série Temporal
Dados Transversais
Censo
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Amostragem numa pesquisa é importante porque:
É uma regra em pesquisas
Todos os pesquisadores seguem uma informação aleatória
Reduz o erro de viés de preferência do pesquisador
Se deve preservar aquilo que se busca compreender, e escolher a amostra per mite isto
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A amostra de uma pesquisa deve:
Na medida do possível representar o universo de pesquisa
Ser em quantidade de jovens e gênero de maneira equilibrada
Conter pessoas de todas as classes sociais
Ser igual ao universo de pesquisa
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Observe da sequência abaixo e responda as questões:
498 498 498 502 502 502
Qual é a mediana
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Observe da sequência abaixo e responda as questões:
498 498 498 502 502 502
Qual é a média da amostra?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Observa a imagem com a distribuição da cor dos olhos. Qual a frequência absoluta dos olhos azuis?
2
4
20
6
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual é a frequência relativa de alunos que preferem morangos?
5
5/20 = 10
5/20 = 0,25
20
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