Two Samples of Fish Are Taken from a River Upstream

question 15

Multiple Choice

Two samples of fish are taken from a river upstream and downstream of a factory to measure the effect of pollution from the factory on the fish.

• A) Observational
• B) Experimental

---

Definitions:

University Database

A comprehensive collection of data and information pertaining to students, faculty, courses, and facilities within a university.

Data Entry

Data entry is the process of inputting data or information into a computer or database, often from paper documents, for storage, processing, or analysis.

Freshman

Denotes a student in the first year of high school or college.

Quantitative Data

Numerical information that can be measured and quantified, allowing for statistical analysis and comparison.