Evaluate the Expression $$\left( \frac { 4 } { 49 } \right) ^ { 1 / 2 }$$

question 198

Multiple Choice

Evaluate the expression.
- $$\left( \frac { 4 } { 49 } \right) ^ { 1 / 2 }$$

• A) \(\frac { 4 } { 7 }\)
• B) not a real number
• C) \(\frac { 2 } { 49 }\)
• D) \(\frac { 2 } { 7 }\)

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Definitions:

Independent Variable

In an experimental setting, the variable that is manipulated or changed to observe its effect on the dependent variable.

Randomly Assigned

A method used in experimental research where participants are allocated to different groups in a way that every individual has an equal chance of being assigned to any group.

Levels

Distinct layers or degrees within a structure, organization, or system, often used to describe rankings, stages of development, or the complexity of something.

Causal Influence

The effect that one variable, event, or action has in directly causing another.