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What is the response variable in a study?

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

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What is the explanatory variable in a study?

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

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What does a correlation coefficient of -1 indicate?

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

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What does a correlation coefficient of 1 indicate?

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

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What does a correlation coefficient of 0 indicate?

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

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

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

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What is a positive linear association?

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

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What is a negative linear association?

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

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What is the difference between correlation and causation?

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

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

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