The Degrees of Freedom for a Contingency Table with 6

question 44

Multiple Choice

The degrees of freedom for a contingency table with 6 rows and 3 columns is ______.

• A) 18
• B) 9
• C) 10
• D) 3

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Definitions:

Exponential Smoothing

A forecasting technique that applies decreasing weights to past observations as they recede in time.

Exponential Smoothing Model

A time series forecasting technique that applies weighting factors which decrease exponentially to past observations.

Mean Absolute Percentage Error

A measure used in statistics to assess the accuracy of a forecast or prediction, calculated as the average of absolute percentages of errors between predicted and observed values.

Smoothing Constant

A smoothing constant is a parameter in exponential smoothing used to control the level of smoothing applied to a time series.