Twenty freshmen (9th graders) and 22 sophomores (10 graders) were surveyed about their pets. Thirteen sophomores said they had dogs. Out of the 20 freshmen, nine had cats. Fill out the two-way frequency table below
Then anwer the questions
Freshmen (graders) Sophomores (10 graders)
Total
Dogs
Cat
Total
1. How many 10 graders have cats?
2. How many students' own dogs?
3. How many 9 graders own dogs?
4. What percentage of students' own
5. What percentage of students surveyed were in 9° grado?
6. Which pet choice is more popular?