Seasonality Occurs When

question 28

Multiple Choice

Seasonality occurs when

• A)time-series data move upward or downward over time.
• B)time-series data follows similar patterns during specific seasons of the year.
• C)an unexpected shift occurs in time-series data.
• D)an independent variable is correlated with the dependent variable but there is no theoretical justification for the relationship.

Understand the importance and distinction between reliability and validity in research.

Recognize methods to calculate and estimate reliability in research.

Identify issues related to internal and external validity in research studies.

Understand the concept of systematic errors and their impact on research outcomes.

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Definitions:

Null Hypothesis

A statement used in statistics that proposes there is no significant difference or effect, and any observed difference is due to sampling or experimental error.

Probability

A gauge for predicting the chance that an event will happen, expressed in numbers that fall within 0 and 1.

Power Consumption

The amount of energy consumed by a device or system in a given period.

Standard Deviation

An indicator employed to assess the degree of scatter or diversity among values in a data set.