Relative frequencies in two-way tables

Question 1

In Class X, 9 of 30 students bike to school. In Class Y, 14 of 20 students bike to school. Which class has the higher proportion of cyclists?

• A. X
• B. Y
• C. The same

Question 2

Year 9 survey. Have a pet: 7 with a phone, 29 without. No pet: 27 with a phone, 8 without. Of the students WITH a phone, what fraction have a pet? Give a fraction in simplest form.

Answer (as a fraction)

Question 3

20 students in Club A and 60 students in Club B were asked if they recycle at home. 10 in Club A and 12 in Club B said yes. What percentage of Club B recycle at home?

Answer 

Question 4

In Class X, 15 of 30 students bike to school. In Class Y, 9 of 30 students bike to school. Which class has the higher proportion of cyclists?

• A. X
• B. Y
• C. The same

Question 5

Year 9 survey. Have a pet: 16 with a phone, 13 without. No pet: 20 with a phone, 19 without. Of the students WITH a phone, what fraction have a pet? Give a fraction in simplest form.

Answer (as a fraction)

Question 6

60 students in Club A and 50 students in Club B were asked if they recycle at home. 12 in Club A and 40 in Club B said yes. What percentage of Club B recycle at home?

Answer 

Question 7

In Class X, 24 of 40 students bike to school. In Class Y, 9 of 30 students bike to school. Which class has the higher proportion of cyclists?

• A. X
• B. Y
• C. The same

Question 8

Year 9 survey. Have a pet: 30 with a phone, 9 without. No pet: 26 with a phone, 19 without. Of the students WITH a phone, what fraction have a pet? Give a fraction in simplest form.

Answer (as a fraction)

Question 9

70 students in Club A and 20 students in Club B were asked if they recycle at home. 35 in Club A and 12 in Club B said yes. What percentage of Club B recycle at home?

Answer 

Question 10

In Class X, 40 of 50 students bike to school. In Class Y, 15 of 30 students bike to school. Which class has the higher proportion of cyclists?

• A. X
• B. Y
• C. The same

Question 11

Year 9 survey. Have a pet: 8 with a phone, 30 without. No pet: 9 with a phone, 16 without. Of the students WITH a phone, what fraction have a pet? Give a fraction in simplest form.

Answer (as a fraction)

Question 12

50 students in Club A and 30 students in Club B were asked if they recycle at home. 20 in Club A and 6 in Club B said yes. What percentage of Club B recycle at home?

Answer 

Question 13

In Class X, 35 of 50 students bike to school. In Class Y, 36 of 60 students bike to school. Which class has the higher proportion of cyclists?

• A. X
• B. Y
• C. The same

Question 14

Year 9 survey. Have a pet: 28 with a phone, 29 without. No pet: 26 with a phone, 19 without. Of the students WITH a phone, what fraction have a pet? Give a fraction in simplest form.

Answer (as a fraction)

Question 15

80 students in Club A and 80 students in Club B were asked if they recycle at home. 48 in Club A and 64 in Club B said yes. What percentage of Club B recycle at home?

Answer 

Question 16

In Class X, 30 of 50 students bike to school. In Class Y, 12 of 30 students bike to school. Which class has the higher proportion of cyclists?

• A. X
• B. Y
• C. The same