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VIC Y11 Maths - General VIC Y11 Maths - Methods VIC Y11 Maths - Specialist

Topics

Computations and Arithmetic Data Distributions Linear Relations and Equations Financial Arithmetic Matrices Linear Graphs and Models Investigating Relationships Between Two Numerical Variables Number Patterns and Recursion Graphs and Networks Shape and Measurement Applications of Trigonometry Inequalities and Linear Programming

Displaying and Describing Numerical Data - Questions

Question 1

The ages of students at a school were recorded.

\begin{array}{|c|c|}
\hline \text { Age } & \text { Frequency } \\
\hline \mathbf{4 - 6} & 98 \\
\hline \mathbf{7 - 9} & 198 \\
\hline \mathbf{1 0 - 1 2} & 212 \\
\hline \mathbf{1 3 - 1 5} & 245 \\
\hline \mathbf{1 6 - 1 8} & 204 \\
\hline \text { Total } & 957 \\
\hline
\end{array}

a) How many students were younger than 10?
b) Which age occurred the most?
c) What percentage of students were older than 15?

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