From the two-way table, the correct option is:
5.) Dogs were the type of pet chosen most often by the students at the elementary school.
Statement 1:
- 105 students in grade 3.
- Of those, 60 prefer dogs.
- The percentage is:
[tex]P = \frac{60}{105} \times 100\% = 57\%[/tex]
- It is not 55%, thus, statement 1 is false.
Statement 2:
- Total of 215 students.
- Of those, 60 prefer cats.
- The percentage is:
[tex]P = \frac{60}{215} \times 100\% = 29\%[/tex]
- It is not 60%, thus, statement 2 is false.
- Grade 3 had 105 students, grade 4 had 110 students, thus statement 3 is false.
- The type of pet chosen the least often by grade 4 students was other, thus statement 4 is false.
- Cats were chosen 60 times, dogs 110, birds 20 and other 25, thus dogs were chosen the most often, and statement 5 is correct.
A similar problem is given at https://brainly.com/question/23719681