Unit 3, Lesson 1
Two-Way Tables
Algebra 1
Practice
Problem 1
This two-way table shows the results of asking students if they prefer to have gym class in the morning or the afternoon.
| morning | afternoon | total | |
|---|---|---|---|
| grade 6 | 15 | 8 | 23 |
| grade 8 | 18 | 21 | 39 |
| grade 10 | 12 | 26 | 38 |
| total | 45 | 55 | 100 |
- How many students participated in the survey?
- How many students in grade 8 prefer to have gym in the morning?
- How many grade 10 students participated in the survey?
- How many students prefer to have gym in the afternoon?
Problem 2
A random sample of students are asked about their preferences for games. Complete the two-way table so that it has the characteristics listed.
- 122 people responded to the survey.
- 50 of the people who said they prefer board games said they also prefer two-player games.
- 68 people prefer two-player games.
- 56 people prefer card games rather than board games.
| board games | card games | |
|---|---|---|
| 2 players | ||
| 3 or more players |