Which of these statements describes the "least squares" principle?
A) The mean is the point in a distribution around which the variation of the scores is minimized.
B) The range of an interval-ratio-level variable can never exceed the value of its mean.
C) The interquartile range will always contain a variable's median, but not necessarily the variable's mean.
D) Taking the square root of a variable's mean will create a more symmetrical distribution.

Question

Quizplus · Accepted Answer

The least squares principle involves minimizing the sum of the squared differences between observed values and the mean, which is described in statement A.

Which of These Statements Describes the "Least Squares" Principle