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:

Iron content

The amount of iron, a vital mineral for human health, present in certain substances or objects.

Infant formula

A manufactured food designed and marketed for feeding to babies and infants under 12 months of age, usually prepared for bottle-feeding or cup-feeding from powder or liquid.

Cow's milk

A common dairy product obtained from the milk of cows, used as a beverage or food ingredient.

Solid foods

Foods that are not liquid or pureed, introduced to an infant’s diet typically around six months of age to complement breastmilk or formula.