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

58

44

106

30

16

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

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%

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%

Select the cell(s) that represent the Marginal Frequency

Select the cell(s) that represent the Joint Frequency

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

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