Answer:
Random and Representative.
Explanation:
According to the Question,
- Given That, Dr. Comeaux decides to conduct a survey of her class to determine whether the number of breaks is sufficient for a three-hour class period.
- She assigns each of her 40 students a number and arbitrarily selects 20 using a computer program.
- Using the language of research methodology, Dr. Comeaux's sample is both a Representative and Random sample.