A Well-Substantiated Explanation for a Phenomenon or a Group of Facts

question 55

Multiple Choice

A well-substantiated explanation for a phenomenon or a group of facts that have been repeatedly confirmed by previous research is called a(n) .

• A)algorithm
• B)operational definition
• C)hypothesis
• D)theory

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Definitions:

Random Variation

The inherent unpredictability in the outcomes of a process, often analyzed in statistical contexts to understand or model data.

Cyclical Effect

A pattern of fluctuations in a time series that corresponds to cycles in the broader economy, often related to business or economic conditions lasting more than a year.

Exponential Smoothing

A time series forecasting method for univariate data that applies smoothing factors to make forecasts.

Smoothing Constant

A parameter used in exponential smoothing forecasting methods to control the rate at which older observations are dampened.