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How many observations are recorded in the following stem and leaf plot?

\[ \begin{array} { r | l } 14 & 4 2 13 3 \\ 15 & 7 4 \\ 16 & 13 32 7 9 \\ 17 & 7 19 4 \\ \end{array} \]

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Victor measured the heights of his students, who ranged from 110 cm to 150 cm. He recorded the data in the following ordered stem and leaf plot.

\[ \begin{array} { r | l } 11 & 0 1 3 5 8 9 \\ 12 & 1 2 4 5 8 \\ 13 & 2 5 5 7 9 \\ 14 & 0 1 2 6 8 \\ \end{array} \]

What is the median height in class?

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Victor measured the heights of his students, who ranged from 80 cm to 120 cm. He recorded the data in the following stem and leaf plot.

\[ \begin{array} { r | l } 8 & 8 5 10 \\ 9 & 12 0 10 \\ 10 & 10 8 12 2 \\ 11 & 12 1 8 \\ \end{array} \]

What is the height of the tallest student in class?

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Victor measured the heights of his students, who ranged from 80 cm to 120 cm. He recorded the data in the following stem and leaf plot.

\[ \begin{array} { r | l } 8 & 8 5 4 \\ 9 & 16 0 4 \\ 10 & 4 8 16 2 \\ 11 & 16 1 8 \\ \end{array} \]

What is the height of the shortest student in class?

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Which of the following statements is always true of Stemplots?

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