Question

Mrs. Torres wants to know how many students wear thelr uniforms. In order to gather data, she stands by the front door and records each student. Identify the data-gathering technique described above:
A. Observational Study
B. Randomized Experiment
C. Survey
D. All of the above​

Answer 1

Answer:

Observational Study

Step-by-step explanation:

Because she stands by the front door and records each student