Question

use the drop - down menus to identify the method used to collect data for each scenario. while standing in front of the school, jace recorded the number of students who walked, rode their bikes, took the bus, and were driven there. noah researched statistics online about the percentage of babies born with brown eyes. lara knew that she had a 25% chance of winning a contest, so she flipped two coins repeatedly to see how many times two heads occurred. simulation observational study published data simulation survey

Explanation:

1. Jace is observing students' transportation - related behaviors directly, so it's an observational study.
2. Noah is getting data from an online source which is likely published data.
3. Lara is using coin - flipping to mimic the contest situation, which is a simulation.

Answer:

1. observational study
2. published data
3. simulation