The Hypothesis That "Exercise Improves Memory Ability" Is a Scientific

question 72

Multiple Choice

The hypothesis that "exercise improves memory ability" is a scientific one because:

• A)it cannot be confirmed.
• B)it cannot be rejected.
• C)it makes a specific,testable prediction.
• D)it can be proven.

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Definitions:

Exponential Smoothing Model

A forecasting technique that applies smoothing constants to weight past observations, giving more importance to recent data.

Regression Method

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

Industrial Lathe Sales

The commercial activity surrounding the buying and selling of industrial lathes, which are machines used to shape metal, wood, or other materials.

First-Order Autoregressive Model

A time series model where the current value is based on a linear combination of the previous value and a stochastic error term.