A counselor obtains SAT averages for incoming freshmen each year for a period covering 19 years, with the objective of determining the relationship between the SAT score and the year the test was given. The averages are then subjected to analysis for the purpose of drawing a conclusion regarding a trend. Determine whether the study is observational or designed.
A) observational
B) designed

Question

Quizplus · Accepted Answer

The study is observational because the counselor is simply observing and recording SAT scores over time without manipulating any variables or assigning treatments.

A Counselor Obtains SAT Averages for Incoming Freshmen Each Year