For a Hypothetical Normal Distribution of Test Scores,approximately 95% Fall

question 37

Essay

For a hypothetical normal distribution of test scores,approximately 95% fall between 38 and 62,2.5% are below 38,and 2.5% are above 62.Given this information,(a)the mode = _________ and (b)the standard deviation = _________.

---

Definitions:

Volume Gradient

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

Temperature Gradient

The rate of temperature change in space, reflecting differences in temperature over a specified distance.

Diffusion Gradient

A variance in concentration that permits molecules to move passively from an area of higher concentration to an area of lower concentration.

Respiratory Membrane

The thin barrier in the lungs through which gas exchange between the air in the alveoli and the blood in the capillaries occurs.