Approximate the Population Variance Given the Following Frequency Distribution A)9236
B)30

question 2

Multiple Choice

Approximate the population variance given the following frequency distribution.
$\begin{array} { c c } \hline \text { Class } & \text { Frequency } \\\hline 0 - 19 & 19 \\20 - 39 & 11 \\40 - 59 & 13 \\60 - 79 & 15 \\80 - 99 & 19 \\\hline\end{array}$

• A)923.6
• B)30.6
• C)935.8
• D)30.4

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Definitions:

Double Helix

The structure formed by double-stranded molecules of nucleic acids, such as DNA, characterized by two spirals winding around a common axis.

Hydrogen Bonds

Weak bonds formed between a hydrogen atom in one molecule and a more electronegative atom, important in determining the structure of water and biomolecules.

Deoxyribose Sugar

A five-carbon sugar molecule that is a component of DNA molecules, lacking an oxygen atom compared to ribose.

Phosphoric Acid

A weak acid with the chemical formula H3PO4, widely used in detergents, fertilizers, and food processing.