Medidas de Dispersão
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Roselaine Zils
Used 4+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais são as medidas de tendência central?
Média, Mediana, Variância
Média, Mediana, Moda
Moda, Média, Desvio padrão
Mediana, Média, Coeficiente de variação
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O gráfico circular correspondente à tabela é:
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual a média dos shows das bandas?
6
8
10
12
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual a moda dos shows das bandas?
4
5
6
7
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
2- Em um treinamento de salto em altura, os atletas realizaram 4 saltos cada um. Veja as marcas obtidas por três atletas:
• atleta A: 148 cm, 170 cm, 155 cm e 131 cm;
• atleta B: 145 cm, 151 cm, 150 cm e 152 cm;
• atleta C: 146 cm, 151 cm, 143 cm e 160 cm.
Com base nos dados, Qual deles foi o menos regular?
A- Atleta A
A- Atleta B
C- Atleta C
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
4- Em um concurso o critério de aprovação leva em conta a média e o desvio padrão após a realização de 3 provas. Calcule a média e o desvio padrão de um candidato que nas provas obteve, respectivamente, 63 pontos, 56 pontos e 64 pontos.
A- Média=61
DP= 3,55
B- Média=62
DP= 3,55
C- Média=61
DP= 3,56
D- Média=66
DP= 3,55
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Em um colégio, foram analisadas as notas de quatro alunos em algumas matérias. De acordo com a tabela, temos que:
Desvio-padrão das notas do Aluno A = 2,5.
Desvio-padrão das notas do Aluno D = 2,70.
Desvio-padrão das notas do Aluno B = 2,0.
Desvio-padrão das notas do Aluno C = 1,0.
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