Vectors and Satisfy the Equation

question 47

Multiple Choice

Vectors and satisfy the equation + = 0. These vectors satisfy one of the following statements.

• A) Vectors and are at right angles to each other.
• B) Vectors and point in the same direction.
• C) The magnitude of is the negative of the magnitude of .
• D) The magnitude of is twice the magnitude of .
• E) Vectors and have the same lengths.

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Definitions:

Population Means

The average value of a particular characteristic in the entire population.

Z-score

A statistical measure that describes a value's relationship to the mean of a group of values, measured in terms of standard deviations from the mean.

Sampling Distribution

The probability distribution of a statistic based on a large number of samples or replicates.

Independent Samples

Two or more groups of data that are collected from unrelated or non-paired subjects.