Which Measure of Variation Is Affected Most by a Few

question 20

Multiple Choice

Which measure of variation is affected most by a few extreme scores?

• A) standard deviation
• B) mean
• C) median
• D) range

---

Definitions:

Industrial Lathe Sales

The commercial activity of buying and selling industrial lathes, which are machines used for shaping metal, wood, or other materials by holding and turning them while applying a cutting tool.

Exponential Smoothing Model

An approach to predict future values in a univariate data set by assigning diminishing exponential weights to older data points.

Root Mean Square Error

A measure of the differences between values predicted by a model or an estimator and the values observed, serving as a standard way to measure the error of a model.

Smoothing Constant

A parameter used in exponential smoothing methods to control the weight of past observations in forecasting.