12/02/24 ACC Dependent and independent variables

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What is an independent variable?

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An independent variable is a variable that is changed or controlled in a scientific 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 variable that depends on other factors; it is what you measure in the experiment.

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In the scenario where Carey and Justin raise money for books, what is the independent variable?

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The independent variable is the amount of money raised (m).

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In the scenario where the number of books purchased depends on the money raised, what is the dependent variable?

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The dependent variable is the number of books purchased (b).

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What does it mean when we say a variable is dependent?

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It means that the variable's value is influenced by changes in another variable.

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In the context of Tim getting candy for trick-or-treating, what is the independent variable?

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The independent variable is the number of houses visited (h).

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In the context of Tim getting candy for trick-or-treating, what is the dependent variable?

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The dependent variable is the amount of candy received (c).

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If the number of raffle tickets sold affects the amount of money earned, what is the independent variable?

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The independent variable is the number of raffle tickets sold (t).

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If the amount of money earned depends on the number of tickets sold, what is the dependent variable?

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The dependent variable is the amount of money earned (m).

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What is the relationship between independent and dependent variables?

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The independent variable is manipulated to observe its effect on the dependent variable.