Which of the Following Statements About a Weighted Mean Is

question 41

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 weight mean can only be reported id 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:

Shoulder

A complex joint connecting the arm to the torso, encompassing several bones, muscles, and tendons.

Wrist

The joint connecting the forearm to the hand, encompassing eight small bones known as the carpal bones.

Medial Epicondyle

The bony prominence on the inner side of the humerus, to which muscles of the forearm are attached.

Lateral Epicondyle

A bony prominence on the outside (lateral side) of the humerus (upper arm bone) where tendons of the forearm muscles attach.