Question

3.3.3 quiz: regression methods
select the correct word or phrase that completes this sentence.
least squares regression is a method that minimizes the
a. absolute value of the
b. sum of the squared
c. total
d. average

Explanation:

Least - squares regression aims to minimize the sum of the squared vertical distances (residuals) between the data points on a scatter - plot and the regression line. This is because squaring the distances gives more weight to larger errors and ensures that all distances are positive.

Answer:

B. sum of the squared