If a Student Scored 76 Points on a Test Where $82.5$

question 89

Multiple Choice

If a student scored 76 points on a test where the mean score was $82.5$ and the standard deviation was 6.1. The student's $z$ score is________

• A) -1.07
• B) -0.17
• C) 13.52
• D) 0.17

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Definitions:

Radial Symmetry

A body plan in which any section through the mouth and down the length of the body divides the body into similar halves. Jellyfish and other cnidarians have radial symmetry. Compare with bilateral symmetry.

Protostomes

A group within the animal kingdom that includes organisms in which the mouth develops from the primary embryonic opening.

Radial Cleavage

A type of embryonic development in deuterostomes where the planes of cell division are either parallel or perpendicular to the vertical axis of the embryo, resulting in the cells being positioned directly above or beside each other.

Cleavage

Series of mitotic cell divisions, without growth, that converts the zygote to a multicellular blastula.