If and Neither nor Vanish, Then

question 19

Multiple Choice

If and neither nor vanish, then:

• A) and are parallel and in the same direction
• B) and are parallel and in opposite directions
• C)the angle between and is 45 °
• D)the angle between and is 60 °
• E) is perpendicular to

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Definitions:

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists between certain datasets or conditions.

Independent Variable

A variable in an experiment that is manipulated to observe its effect on the dependent variable.

Dependent Variable

A variable in an experimental setup that is observed and expected to change in response to manipulations in the independent variable.

Random Error

Variability in data that arises from unpredictable fluctuations and cannot be attributed to any specific cause, affecting the precision of measurements.