Inference for Categorical Data

What is the relative frequency of students speaking Spanish?

• 16%

• 12%

• 24%

• 48%

Which percent bar graph best represents the data from your table?

• a

• b

• c

• d

• Not enough information

How many more people prefer to visit Louisiana or New Mexico than Arkansas or Oklahoma?

• 39

• 145

• 167

• 184

The table shows the results of a survey about favorite types of stores. Determine the relative frequency for each store.

• clothing: 38%

  electronics: 22%

  pet: 10%

  candy: 30%

• clothing: 19%

  electronics: 11%

  pet: 5%

  candy: 15%

• clothing: 50%

  electronics: 25%

  pet: 5%

  candy: 20%

• clothing: 35%

  electronics: 23%

  pet: 15%

  candy: 27%

Aaron collects data on what students at his school like to eat at the movie theater. He asks a random sample of 120 students two questions:

● Do you like to eat popcorn at the movie theater?

● Do you like to eat candy at the movie theater?

His data are partially shown in the table. Of the students he asks, 40% of those who like to eat popcorn also like to eat candy.

Match the number of students with their correct location in the table.

• B

• 28

• E

• 42

• D

• 20

• A

• 30

Tags

S.CP.4

Part a

Make sure you complete the table in your packet as well!​

Male/Likes Skiing ​ ​ (a)  

Male/Dislikes Skiing ​ ​ (b)  

Female/Likes Skiing ​ (c)  

Female/Dislikes Skiing ​ (d)  

• 10

• 20

• 30

• 50

• 45

• 40

• 85

A study was done to see if the probability of allergies increased if owning a cat. They randomly sampled 58 people who owned a cat and 34 people who did not own a cat to see if they had allergies or not.

Population 1 is​ (a)  

Population 2 is ​ (b)  

• No Allergies

• Allergies

• Cats

• No Cats

What percent of students chose hamburger as their favorite topping?

Mathematical Equivalence

OFF

Aaron collects data on what students at his school like to eat at the movie theater. He asks a random sample of 120 students two questions: Do you like to eat popcorn at the movie theater? Do you like to eat candy at the movie theater? His data are partially shown in the table. Of the students he asks, 40% of those who like to eat popcorn also like to eat candy. Match the number of students with their correct location in the table.

• E

• 42

• D

• 20

• A

• 28

• B

• 30

Tags

S.CP.4

Make sure you complete the table in your packet as well!​

Male Total ​ ​ (a)  

Female Total​ ​ ​ (b)  

Likes Skiing Total ​ ​ (c)  

Dislikes Skiing Total ​ (d)  

Total Number Surveyed ​ (e)  

• 40

• 85

• 25

• 20

• 10

• 30