Which of the Following Measures of Central Tendency Is the Best

question 22

Multiple Choice

Which of the following measures of central tendency is the best for nominal data?

• A) Mean
• B) Median
• C) Mode
• D) Standard deviation
• E) Variance

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Definitions:

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.

Regression Method

A statistical approach used to model and analyze the relationship between a dependent and one or more independent variables.