Which of the Following Statements About a Weighted Mean Is

question 13

Multiple Choice

Which of the following statements about a weighted mean is true?

• A) The weighted mean is always equal to the arithmetic mean.
• B) The weighted mean can only be reported if the sample size is equal in each group.
• C) The weighted mean is used to compute the combined mean for two or more samples of scores in which the number of scores in each sample is disproportionate or unequal.
• D) The weighted mean is heavier than an arithmetic mean.

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Definitions:

Dyslexia

A learning disorder characterized by difficulties with accurate and/or fluent word recognition, poor spelling, and decoding abilities.

Genetic Component

The part of a trait, behavior, or condition that is influenced by genes inherited from one's parents, as opposed to environmental factors.

Dyslexia

A learning disorder characterized by difficulties in reading, spelling, and writing, unrelated to overall intelligence.

ADHD

A neurodevelopmental condition known as Attention Deficit Hyperactivity Disorder, distinguished by symptoms of distractibility, excessive movement, and spontaneous behavior.