Which of the Following Is True of the Parameters of a Beta

question 22

Multiple Choice

Which of the following is true of the parameters of a beta distribution function?

• A) The parameters of the distribution function, α and β, can be negative.
• B) The values of the parameters do not affect the skewness of the distribution.
• C) If either parameter is 1.0 and the other is lesser than 1.0, the distribution takes an "L" shape.
• D) If the parameter β exceeds the other parameter α, the distribution is positively skewed.

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Definitions:

pH

A measure of the acidity or alkalinity of a solution, defined by the negative logarithm of the hydrogen ion concentration.

Buffer System

A chemical system that maintains the pH of a solution by adjusting the proportion of acid and base.

Hemoglobin Buffer

A system in red blood cells that helps maintain pH balance in the blood by binding to or releasing hydrogen ions.

Bicarbonate Ions

An ion that acts as a buffer to maintain the pH level in blood and other bodily fluids.