Final answer:
A statistical question regarding classmates' pets is "How many pets are in each student's household?", as it allows for analysis of variable responses that can be collected and analyzed statistically to understand pet ownership patterns.
Step-by-step explanation:
To determine which of the provided options is a statistical question that one could ask to learn about classmates' pets, we need to identify a question that allows for variability in the responses and can be analyzed using statistical methods. A statistical question is one that expects answers involving different data points that can be collected, organized, analyzed, and interpreted.
A question like "How many pets are in each student's household?" is a statistical question because the answer varies from student to student and can be statistically analyzed to learn about pet ownership patterns among classmates. You can collect data from each student, organize it in a frequency table, and calculate measures such as the average number of pets per household within the class.