4/8 ~ Unit 14 Quiz

Tony surveyed students at his school to find the number of girls and boys that played either checkers or chess. 

Complete the Two Way Frequency Table

a

b

c

d

e

30

16

44

58

106

Tags

CCSS.8.SP.A.4

A survey is conducted among school students. Fifty students are randomly selected and they are asked whether they prefer dogs, cats or other pets.  Complete the two-way frequency table and determine the marginal relative frequency of the students who preferred a dog as their favorite pet.

• 20% or 0.20

• 35% or 0.35

• 50% or 0.50

• 28% or 0.28

Tags

CCSS.8.SP.A.4

Tony surveyed students at his school to find the number of girls and boys who played checkers or chess. 

What is the joint relative frequency of boys who play checkers?

• 0.25 or 25%

• 0.12 or 12%

• 0.30 or 30%

• 0.415 or 41.5%

Tags

CCSS.8.SP.A.4

Tony surveyed students at his school to find the number of girls and boys who played checkers or chess. 

Complete the sentences

The data collect is ​ (a)  

• Numerical Bivariate 
• Categorical Univariate
• Catagorical Bivariate
• Numerical Univariate

A survey is conducted among school students as to their favorite lunch item at the school’s cafeteria.  Complete the two-way frequency table and determine the joint relative frequency of the boys who preferred a sandwich as their favorite cafeteria food.

• 40%

• 10%

• 9.72%

• 15%

Tags

CCSS.8.SP.A.4

Select the cell(s) that represent the Marginal Frequency

Tags

CCSS.8.SP.A.4

Select the cell(s) that represent the Joint Frequency

Tags

CCSS.8.SP.A.4

Select ALL of the methods that could display a data set that is categorical, and bivariate

• Circle Graph

• Segmented Bar Chart

• Histogram

• Joint Frequency Table

• Line Plot

The two-way frequency table below shows how many freshman and sophomores are on the swimming or tennis team.  How many freshman are on the tennis team?

• 2
• 6
• 4
• 8

Tags

CCSS.8.SP.A.4

The two-way frequency table below shows how many freshman and sophomores are on the swimming or tennis team.  How many sophomores are on the swimming team?

• 3
• 8
• 25

• 13

Tags

CCSS.8.SP.A.4