a deluxe package cost $$50 and includes one of each of the individual pictures listed in the table.Estimate about how much money you save with the deluxe package instead of buying individual picturse. Explain.

This is an example of observational study, because the biologist is not interfering or interacting with the subjects of study but just watching and registering data (recording with cameras).

The biologist is not conducting an experiment because (he is not setting up special conditions to register different responses to drive conclusions), and the biologist is not making any survey (questionnaires for example).

observational study