The Mean of a Distribution of Scores Is the

question 25

Multiple Choice

The mean of a distribution of scores is the

• A) most frequently occurring score.
• B) arithmetic average of all the scores.
• C) least frequently occurring score.
• D) score exceeded by 50 percent of all the scores.

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Definitions:

Antheridium

(pl., antheridia) In plants, the multicellular male gametangium (sex organ) that produces sperm cells. Compare with archegonium.

Archegonium

A female reproductive structure found in ferns, mosses, and some conifers and flowering plants, producing a single egg cell for fertilization.

Sporangium

A spore case, found in plants, certain protists, and fungi.

Xylem

The vascular tissue that conducts water and dissolved minerals in plants.