Put these numbers in order from least to greatest: |2|, 7, |12|, -10, -7, -8, -13, 11, 13, |15|, 8, 1, -11, |-4|, 5, |-9|, -5, |3|, 10, |-6|, 0, -1

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.