Instruction 3-3
the Stem-And-Leaf Display Below Represents the Number of Vitamin

question 50

Short Answer

Instruction 3-3
The stem-and-leaf display below represents the number of vitamin supplements sold by a health food store in a sample of 16 days.
$$\begin{array} { | l | l | } \hline \text { Stem } & \text { Leaves } \\\hline \text { 1H } & 99 \\\hline \text { 2L } & 0023 \\\hline \text { 2H } & 567 \\\hline \text { 3L } & 034 \\\hline \text { 3H } & 568 \\\hline \text { 4L } & 1 \\\hline\end{array}$$ Note (1): 1H means the "high teens" = 15, 16, 17, 18, or 19; 2L means the "low twenties" = 20, 21, 22, 23, or 24; 2H means the "high twenties" = 25, 26, 27, 28, or 29, etc.
Note (2): For this sample, the sum of the observations is 448, the sum of the squares of the observations is 13,356, and the sum of the squared differences between each observation and the mean is 812.
-Referring to Instruction 3-3,the coefficient of variation of the number of vitamin supplements sold in this sample is _____________ percent.

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Definitions:

Physical Attachment

The process of affixing or connecting an object to another, often in a manner that requires physical force or means.

Injury

Physical harm or damage to a person's body caused by an accident or external force.

Personal Property

Movable items owned by an individual or corporation, as opposed to real estate or real property.

Restrictive Covenant

A provision in a deed or lease restricting the actions the property's owner may take with the property.