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

question 102

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.
$$\begin{array} { c l } \text { Stem } & \text { Leaves } \\\hline \hline 1 \mathrm { H } & 99 \\2 \mathrm {~L} & 0023 \\2 \mathrm { H } & 567 \\3 \mathrm {~L} & 034 \\3 \mathrm { H } & 568 \\4 \mathrm {~L} & 1\end{array}$$ 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 median number of vitamin supplements sold in this sample is ________.

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Definitions:

Classical Conditioning

A learning process where a natural response to a stimulus becomes triggered by a previously neutral stimulus through associative learning.

Behavior Therapies

A broad range of techniques and therapeutic methods used to change maladaptive behaviors, grounded in the principles of behavioral psychology.

Humanistic Therapies

A category of psychotherapy that emphasizes personal growth and self-actualization, focusing on the individual's unique perspective.

Genuineness

The quality of being authentic, sincere, and honest in one's interactions and behaviors.