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

question 16

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 arithmetic mean of the number of vitamin supplements sold in this sample is ________.

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Definitions:

Vas Deferens

A conduit that moves sperm from the epididymis to the ejaculatory ducts as part of the preparation for ejaculation.

Seminal Vesicles

Glands located near the prostate in males that produce fluid that is a component of semen.

GC

Gonococcus, a type of bacteria that causes gonorrhea, a sexually transmitted infection.

Seminiferous Tubules

Narrow coils of tubes within the testes where sperm is produced.