Below Are Listed the Numbers of Children in the Classrooms $\begin{array}{l|l}1 & 12,14 \\2 & 20,21,27 \\3 & 30\end{array}$

question 115

Multiple Choice

Below are listed the numbers of children in the classrooms of a small elementary school. Choose the correct stemplot of the data.
12, 14, 20, 21, 21, 25, 27, 30, 30, 30

• A)
• \(\begin{array}{l|l}
• 1 & 12,14 \\
• 2 & 20,21,27 \\
• 3 & 30
• \end{array}\)
• B)
• \(\begin{array}{l|l}
• 1 & 2 \\
• 2 & 5 \\
• 3 & 3
• \end{array}\)
• C)
• \(\begin{array}{l|l}
• 1 & 24 \\
• 2 & 01157 \\
• 3 & 000
• \end{array}\)
• D)
• \(\begin{array}{l|l}
• 1 & 24 \\
• 2 & 0157 \\
• 3 & 0
• \end{array}\)

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Definitions:

Dependent Variable

In an experiment or statistical model, the variable that is expected to change as a result of manipulations in the independent variable.

Independent Variable

A factor in a study or simulation that is deliberately altered to see its impact on a variable that depends on it.

Total Sum Of Squares

A measure in statistics that quantifies the total variation of a dataset.

Dependent Variable

The variable in an experiment that is expected to change in response to changes in the independent variable.