
Quiz - Estatística
Authored by Andrey Carvalho
Mathematics
1st - 2nd Grade
Used 2+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calcule a média aritmética simples do seguinte rol de dados: 15 ; 36 ; 48.
30
31
32
33
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
As marcas obtidas, em metros, pelos alunos numa prova de salto em distância foram as seguintes:
2,20; 2,28; 2,23; 2,20; 2.35; 2,28; 2,25; 2,30; 2,37.
Determine a mediana dos valores.
2,20
2,25
2,28
2,35
3.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Os dados a seguir representam as massas, em quilogramas, dos atletas de uma equipe juvenil de natação: 46, 44, 49, 45, 44, 48, 50, 42, Determine a moda desta sequência de dados:
42
44
46
48
4.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Um estudante fez algumas provas em seu curso e obteve as notas: 13, 34, 45, 26, 19, 27, 50, 63, 81, 76, 52, 86, 92 e 98. Determine a sua média aritmética simples.
54,4
56,8
62,7
762
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Determine a moda da seguinte sequência:
7, 7, 8, 10, 10, 13, 14, 7, 9, 7
7
8
10
14
6.
MULTIPLE CHOICE QUESTION
3 mins • 8 pts
Para avaliar a qualidade das lâmpadas produzidas por uma empresa, uma equipe técnica separou uma amostra com 10 lâmpadas e registrou sua vida útil, em dia:
15; 14; 12; 13; 14; 14; 15; 10; 10; 12.
Determine a média da vida útil das lâmpadas analisadas.
12
12,9
13,4
14,1
7.
MULTIPLE CHOICE QUESTION
5 mins • 15 pts
Uma imobiliária vendeu 5 terrenos a R$ 48.000,00 cada um e 10 terrenos a R$ 45.000,00 cada um. Qual foi o valor médio dos terrenos vendidos pela imobiliária?
R$ 46.000,00
R$ 52.000,00
R$ 240.000,00
R$ 690.000,00
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