Question

wants to collect information about student lunches.
determine which type of research design best describes each statement. choose one research design for each statement.

statement	research design
the number of each type of meal purchased at lunch is recorded.	experiment, observational study, survey

Explanation:

For the first statement: Asking students about their meal preference and recording responses is a Survey, as surveys involve collecting self - reported data from participants.
For the second statement: Recording the number of each type of meal purchased (without interfering or asking, just observing the purchase behavior) is an Observational Study, as observational studies involve observing and recording phenomena as they occur naturally.

Answer:

1. For "Students are asked which meal they prefer for lunch and results are recorded.": Survey
2. For "The number of each type of meal purchased at lunch is recorded.": Observational Study