When Two Variables Have a Positive Correlation

question 44

Multiple Choice

When two variables have a positive correlation,

• A)when the x-variable increases,the y-variable decreases.
• B)when the x-variable decreases,the y-variable increases.
• C)when the x-variable increases,the y-variable increases.
• D)More than one of the above is correct.

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Definitions:

SSE

Sum of Squared Errors, a measure used in statistical models to quantify the variance between observed and predicted values by summing the squared differences.

Error Variable

A variable in statistical or mathematical modeling that represents the difference between an observed value and the value predicted by a model.

Mean

The average value of a set of numbers, calculated by dividing the sum of all values by the count of values.

Multiple Regression Model

A statistical technique that models the relationship between a dependent variable and multiple independent variables.