Algebra-1

The sample in this case is D. 30% of 200 Mr. Tran's students.

The sample refers to the subset of the population that was included in the survey or study. It represents the group from which data was collected to draw conclusions or make inferences about the larger population.

Analyzing the options:
A. 200 Forest Park students: This option represents a different group of students and is not the sample being referred to in the statement.

B. 30% of Forest Park students: This option refers to a proportion of Forest Park students, but it is not ...