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Often asked: What is an explanatory variable?

What is an explanatory variable example?

Example: Coffee Bean Origin

He wants to compare coffee from three different regions: Africa, South America, and Mexico. The explanatory variable is the origin of coffee bean; this has three levels: Africa, South America, and Mexico. The response variable is hyperactivity level.

Which variable is the explanatory variable?

❖ The variable that is used to explain or predict the response variable is called the explanatory variable. It is also sometimes called the independent variable because it is independent of the other variable. In regression, the order of the variables is very important.

What is an explanatory variable quizlet?

Explanatory Variable (also commonly referred to as the independent variable) (X) the variable that claims to explain, predict or affect the response; and. Response variable (also commonly referred to as the dependent variable) (Y) the outcome of the study. You just studied 16 terms!

What is a response variable in an experiment?

A responding variable is something that “responds” to changes you make in an experiment. It’s the effect or outcome in an experiment. The responding variable would be the height of the plants. In other words, the plants are responding to changes in light that you, the researcher, make.

Is age an explanatory variable?

The type of therapy given is the explanatory variable; it may or may not affect the response variable. In this example, we have only one explanatory variable: type of treatment. In real life you would have several more explanatory variables, including: age, health, weight and other lifestyle factors.

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Is gender an explanatory variable?

Examples include explanatory variables, such as gender, ethnicity, type of instruction, etc., and response variables such as individual test item scores, total test scores, and achievement levels.

What is another name for explanatory variable?

Independent variables are also called “regressors,“ “controlled variable,” “manipulated variable,” “explanatory variable,” “exposure variable,” and/or “input variable.” Similarly, dependent variables are also called “response variable,” “regressand,” “measured variable,” “observed variable,” “responding variable,” “

Is height an explanatory variable?

For example people’s weight (dependent variable) might depend on their height (independent variable). They’re also known as predictor or explanatory variables, for obvious reasons.

What are the two response variables?

One response variable is the amount of time visiting the site. This response variable is quantitative. One response variable is the amount spent by the visitor. This response variable is quantitative.

What is the difference between a response variable and an explanatory variable quizlet?

A response variable measures an outcome of a study. An explanatory variable attempts to explain the observed outcomes.

What is the response variable in stats?

In statistics, a response variable, also known as a dependent variable, is a concept, idea, or quantity that someone wants to measure. It depends on an independent variable. A response variable might be affected by many different factors, known as explanatory variables.

Does correlation require explanatory and response variable?

Correlation requires that there are clearly-identified explanatory and response variables. II. Scatterplots require that both variables be quantitative.

What’s the responding variable?

A responding variable is a variable that the researcher predicts will change if the manipulated variable changes. A responding variable is also called a dependent variable.

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What are the response variables?

Response variables are also known as dependent variables, y-variables, and outcome variables. Typically, you want to determine whether changes in the predictors are associated with changes in the response. For example, in a plant growth study, the response variable is the amount of growth that occurs during the study.

What is the constant variable?

A constant is a data item whose value cannot change during the program’s execution. Thus, as its name implies – the value is constant. A variable is a data item whose value can change during the program’s execution. Thus, as its name implies – the value can vary. Constants are used in two ways.

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