The Cost of a Video Game Increased in Price from $20

question 118

Short Answer

The cost of a video game increased in price from $20 to $39. What was the percent of the increase?

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Definitions:

Correlation Coefficient

A statistical measure that calculates the strength and direction of a linear relationship between two variables.

Correlation

A statistical measure that describes the extent to which two variables change together, but does not imply causation.

Correlational Study

A type of research design where a researcher examines the relationship between two or more variables without manipulating them, determining whether and how they are related.

Double-Blind Experiment

A study or experiment in which neither the participants nor the researchers know who is receiving a particular treatment, to prevent bias.