Correlational Designs a Regression Line

question 52

Multiple Choice

Correlational Designs A regression line

• A)depicts a causal relationship between two variables.
• B)depicts the typical score in a sample.
• C)is a line of best fit on a scatterplot.
• D)is the vertical axis on a scatterplot.

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Definitions:

Regression Equation

A statistical method represented by an equation that models the expected value of a dependent variable as a function of one or more independent variables.

Scatterplot

A type of graph used in statistics to display values for typically two variables for a set of data.

Correlation Coefficient

A statistical measure that indicates the extent to which two variables change together.

Measure Of Dispersion

An indication of how spread out the values of a dataset are, which can include range, variance, or standard deviation.