Positive Values of Covariance Indicate

question 79

Multiple Choice

Positive values of covariance indicate

• A)a positive variance of the x values
• B)a positive variance of the y values
• C)the standard deviation is positive
• D)a positive relation between the x and the y variables

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Definitions:

Internal Consistency

A method of determining reliability of an instrument by looking within the test itself, or not going “outside of the test” to determine a reliability estimate as is done with test-retest or parallel forms reliability. Some types of internal consistency reliability include split-half (or odd-even), Cronbach’s Coefficient Alpha, and Kuder-Richardson.

Licensure Exam

A standardized test that individuals must pass to obtain a license to practice in certain professions, ensuring they meet the required competency standards.

Median

The middle value in a data set when the values are arranged in ascending or descending order.

Range

The simplest measure of variability is the range, which is calculated by subtracting the lowest score from the highest score and adding 1.