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What is an independent variable?

Back

An independent variable is a factor that is changed or controlled in an experiment to test its effects on the dependent variable.

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What is a dependent variable?

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A dependent variable is a factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

Front

In a graph, which axis represents the independent variable?

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The independent variable is represented on the x-axis (horizontal axis) of a graph.

Front

In a graph, which axis represents the dependent variable?

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The dependent variable is represented on the y-axis (vertical axis) of a graph.

Front

What does it mean if a variable is 'dependent'?

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A dependent variable is one that depends on the value of another variable, typically the independent variable.

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What is an example of an independent variable in a study about plant growth?

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The amount of sunlight each plant receives is an example of an independent variable.

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What is an example of a dependent variable in a study about plant growth?

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The height of the plants is an example of a dependent variable.

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What does 'control variable' mean?

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A control variable is a factor that is kept constant to ensure that the results of an experiment are due to the independent variable.

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How can you identify the independent variable in a word problem?

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The independent variable is usually the one that is manipulated or changed in the scenario described.

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How can you identify the dependent variable in a word problem?

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The dependent variable is usually the outcome or effect that is measured in response to changes in the independent variable.