

Variância e Desvio Padrão
Interactive Video
•
Mathematics
•
5th - 8th Grade
•
Practice Problem
•
Easy
Standards-aligned
Ethan Morris
Used 1+ times
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é necessário calcular antes de determinar a variância e o desvio padrão?
A diferença entre os valores
A média dos valores
A raiz quadrada dos valores
A soma dos quadrados
Tags
CCSS.6.SP.B.5C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para calcular a média aritmética?
Diferença dos valores dividida pela quantidade
Soma dos valores multiplicada pela quantidade
Soma dos valores dividida pela quantidade
Produto dos valores dividido pela quantidade
Tags
CCSS.6.SP.B.5C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor da média dos dados 4, 7, 8, 10 e 11?
8
9
10
7
Tags
CCSS.6.SP.B.5C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se determina o desvio de um dado em relação à média?
Multiplicando cada dado pela média
Subtraindo a média de cada dado
Calculando a raiz quadrada da média
Subtraindo o menor valor do maior
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o desvio do valor 10 em relação à média calculada?
1
0
3
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que representa a variância em termos de desvios?
A média dos quadrados dos desvios
A diferença dos quadrados dos desvios
A raiz quadrada dos desvios
A soma dos desvios
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor da variância calculada para os dados fornecidos?
6
5
8
7
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