Identify the Variable of Interest in the Study

question 46

Multiple Choice

Identify the variable of interest in the study.
-A quality control specialist compares the output from a machine with a new lubricant to the output of machines
With the old lubricant.

• A)The difference between the measured outputs of a machine using each type of lubricant
• B)The number of machines tested
• C)Whether the new lubricant is more cost-effective than the old lubricant

---

Definitions:

Plasma Membrane

The lipid bilayer that encloses the cytoplasm of a cell, regulating the passage of substances in and out of the cell.

Rhizopus Stolonifer

A species of bread mold that reproduces both sexually and asexually, known for causing rot in soft fruits and vegetables.

Cellulose

A complex carbohydrate or polysaccharide that forms the main structure of plant cell walls, offering rigidity and strength.

Edible Fruiting

The process or capability of producing fruit that is safe and suitable for consumption.