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

question 95

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 interquartile range of the number of vitamin supplements sold in this sample is_____________ .

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Definitions:

Substandard Concrete

Concrete that does not meet the required quality standards, posing risks to structural integrity and safety.

Public Sector

The segment of the economy composed of government services and enterprises, including healthcare, education, and law enforcement.

Public Property

Public property refers to assets or resources owned by the government or community as a whole, accessible and utilized by the general public.

Monetary System

A structured system for creating, managing, and distributing money in an economy.