What is the capital of Virginia?

How many hours do students in grade 8 spend on homework each week?

What is the most popular color among grade 8 students?

How many students are in grade 8?

Conducting a survey asking students their favorite sport

Measuring the height of each student in grade 8

Observing students during lunch

Asking students how tall they think they are

The sample will be representative of the entire student population

The sample may over-represent students who are more studious

The sample will include all students equally

The sample will be unbiased

12

15

18

22

5

7

9

11

What is the average temperature in Virginia during winter?

How many students prefer online classes over in-person classes?

How many hours do students sleep on average per night?

What is the most common pet among students?

Conducting a survey asking students their favorite subject

Measuring the time spent on each subject

Observing students during recess

Asking teachers about their students' preferences