Question

ch 5 which of the following measures the direction and strength of the linear relationship between x and y? interpolation regression correlation extrapolation

Explanation:

• Interpolation is used to estimate values within the range of known data points.
• Regression is used to model the relationship between a dependent variable and one or more independent variables.
• Correlation measures the direction (positive or negative) and strength (magnitude between - 1 and 1) of the linear relationship between two variables \(X\) and \(Y\).
• Extrapolation is used to estimate values outside the range of known data points.

Answer:

correlation