The Sign on the Intercept Coefficient in a Simple Regression

question 126

True/False

The sign on the intercept coefficient in a simple regression model will always be the same as the sign on the correlation coefficient.

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Definitions:

Gas Price

The cost per unit volume of gasoline, often varying by region, influenced by taxes, supply, demand, and other factors.

Unleaded Gasoline

A type of gasoline without the addition of lead compounds, used to prevent harm to the environment and public health.

Confidence Interval

An array of values, pulled from sampling data, envisioned to enclose the value of a mysterious population parameter.

Sample Size

The count of measurements or instances contained within a data sample for statistical analysis.