If a Student Scored 75 Points on a Test Where

question 61

Multiple Choice

If a student scored 75 points on a test where the mean score was 83.5 and the standard deviation was 6.1. The student's z score is ________.

• A) 13.69
• B) 0.23
• C) -0.23
• D) -1.39

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Definitions:

Respiratory Membrane

Membrane in the lungs across which gas exchange occurs with blood.

Thick Layer of Mucus

describes a dense secretion produced by mucous membranes, serving to protect and lubricate surfaces.

Pressure Gradient

A pressure gradient is the difference in pressure across a physical space, which drives the flow of fluids from regions of higher to lower pressure.

Volume Gradient

The difference in concentration of a substance across a space or a membrane, often driving diffusion or movement of substances.