If a Number Increases from 900 to 1,107 What Is

question 158

Multiple Choice

If a number increases from 900 to 1,107 what is the rate of change?

• A) 23%
• B) 18.7%
• C) 81.3%
• D) 123%

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Definitions:

Control Variable

A factor that is kept constant to accurately test the impact of an independent variable on a dependent variable in an experiment.

Placebo

A harmless substance with no therapeutic effect, used in controlled experiments to test the efficacy of treatments.

Control Group

In experimental research, a group of subjects who do not receive the treatment being tested, used as a benchmark to measure the effect of the treatment.

Dependent Variable

In an experiment, it is the variable being tested and measured, which is expected to change due to manipulation of the independent variable.