Explanatory vs Response

Front

What is the response variable in a study?

Back

The response variable is the outcome or effect that is measured in an experiment, which is influenced by the explanatory variable.

Front

What is the explanatory variable in a study?

Back

The explanatory variable is the factor that is manipulated or changed in an experiment to observe its effect on the response variable.

Front

What does a correlation coefficient of -1 indicate?

Back

A correlation coefficient of -1 indicates a perfect negative linear relationship between two variables.

Front

What does a correlation coefficient of 1 indicate?

Back

A correlation coefficient of 1 indicates a perfect positive linear relationship between two variables.

Front

What does a correlation coefficient of 0 indicate?

Back

A correlation coefficient of 0 indicates no linear relationship between two variables.

Front

In the context of gardening, if the number of seeds planted is increased, what is the expected effect on the number of fruits grown?

Back

Typically, as the number of seeds planted increases, the number of fruits grown is expected to increase, assuming other conditions are optimal.

Front

What is a positive linear association?

Back

A positive linear association means that as one variable increases, the other variable also tends to increase.

Front

What is a negative linear association?

Back

A negative linear association means that as one variable increases, the other variable tends to decrease.

Front

What is the difference between correlation and causation?

Back

Correlation indicates a relationship between two variables, while causation indicates that one variable directly affects the other.

Front

What is an example of an explanatory variable in a study about exercise and weight loss?

Back

The amount of exercise (e.g., hours spent exercising) is the explanatory variable that may affect weight loss.