Média_Moda_Mediana
Quiz
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Medium
Natalia Silva
Used 5+ times
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29 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Numa competição matemática foram registados os tempos gastos pelos 240 concorrentes na prova final. Com os dados recolhidos foi construído o histograma.
Qual das seguintes classes é a classe modal?
[ 8 , 12 [
[ 16 , 20 [
[ 0 , 12 [
[ 4 , 12 [
2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Na tabela seguinte, apresentam-se as alturas de sete das torres mais altas do mundo.
Qual é a amplitude, em metros, deste conjunto de dados?
169
213
435
604
3.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Qual é a frequência relativa de alunos que preferem morangos?
5
5/20 = 10
5/20 = 0,25
20
4.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Qual dos gráficos é um pictograma?
5.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
A tabela de frequências serve para:
complicar o problema
estudar as diferentes variaveis
organizar os dados de diferentes frequência
elaborar gráficos
6.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Num pomar, com o registo do número de peças de fruta de cada árvore, obteve-se o gráfico que se segue. Posso afirmar que:
A moda é 3.
A moda é 5.
Não tem moda.
É multimodal.
7.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
O que é a "amplitude" de um conjunto de dados?
A diferença entre o maior e o menor valor
O valor mais frequente no conjunto de dados
A medida central dos dados
A soma de todos os valores dividida pelo número de elementos
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