NSW Y8 Maths Investigating Data Types of Data

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Types of Data Theory

\begin{center} \begin{tikzpicture} \node (O) [rounded corners=5pt,rectangle,draw,align=center] {\textbf{Data Types}}; \node (A) [rounded corners=5pt,rectangle,draw,align=center, below left=1 and -1 of O] {\textbf{Categorical Data} \\ represented by words and symbols}; \node (B) [rounded corners=5pt,rectangle,draw, below right=1 and -1 of O,align=center] {\textbf{Numerical Data} \\ represented by quantities or numbers}; \node (C) [rectangle,draw, below left= 1 and -2.5 of B,align=center,rounded corners=5pt] {\textbf{Discrete Data} \\ which is counted by whole numbers}; \node (D) [rectangle,draw, below right=1 and -4 of B,align=center, rounded corners=5pt] {\textbf{Continuous Data} \\ which can be counted in a smooth scale}; \path[draw,line width=1.5pt] (B)--(C); \path[draw,line width=1.5pt] (B)--(D); \path[draw,line width=1.5pt] (O)--(A); \path[draw,line width=1.5pt] (O)--(B); \end{tikzpicture} \end{center}  \(\bullet\) data (red, blue, green) is \textbf{categorical data}\\ \(\bullet\) data (the number of children in a family) is \textbf{numerical discrete data}\\ \(\bullet\) data (the height of a basketball team) is \textbf{numerical continuous data}.

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