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

question 97

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 standard deviation of the number of vitamin supplements sold in this sample is _____________ .

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Definitions:

Cost Per Equivalent Unit

A calculation used in process costing that determines the cost assigned to each unit produced, taking into account partially completed units.

Conversion Costs

Costs incurred to convert raw materials into finished products, typically including labor and overhead.

FIFO Method

An inventory valuation method that assumes the first items placed into inventory are the first ones sold, standing for "First-In, First-Out".

Equivalent Units

A concept in cost accounting used to express the amount of work done on partially finished goods in terms of fully completed units.