Determine whether the given description corresponds to an experiment or an observational study. A stock analyst selects a stock from a group of twenty for investment by choosing the stock with the greatest earnings per share reported for the last quarter.
A) Experiment
B) Observational study

Question

Quizplus · Accepted Answer

This is an observational study because the stock analyst is selecting a stock based on existing data (earnings per share) without manipulating any variables or conditions.

Determine Whether the Given Description Corresponds to an Experiment or an Observational