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NSW Y12 Maths Standard 1 NSW Y12 Maths Standard 2 NSW Y12 Maths Advanced NSW Y12 Maths Extension 1 NSW Y12 Maths Extension 2

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NSW Y12 Maths - Advanced Descriptive Statistics Displaying Data 1

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Displaying Data 1 Theory

In representing on displaying data there are many formats. The following questions involve Pareto charts, frequency tables, histograms and stem-and-leaf plots. \\ \begin{multicols}{2} \textbf{Example 1}\\ The following frequency table is the data for a particular quiz. The total of the scores is?\\ $$\begin{array}{|c|c|} \hline \text { Scores } & \text { Frequency } \\ \hline 1 & 2 \\ \hline 2 & 6 \\ \hline 3 & 12 \\ \hline 4 & 8 \\ \hline 5 & 4 \\ \hline \end{array}$$\\ \textbf{Example 1 solution}\\ \(\text { Total number of scores }=2+6+12+8+4=32\)\\ \columnbreak \textbf{Example 2}\\ In the below stem-and-leaf plot the score that occurred the most frequently was? $$ \begin{array}{|c|l|} \hline \text { Stem } & \text { Leaf } \\ \hline 1 & 0\;\;3\;\;3\;\;4 \\ \hline 2 & 1\;\;3\;\;3\;\;6\;\;7 \\ \hline 3 & 2\;\;2\;\;2\;\;6 \\ \hline 4 & 0\;\;4\;\;6\;\;8 \\ \hline \end{array} $$\\ \textbf{Example 2 solution}\\ \(32 \text { occurred three times. }\)\\ \end{multicols}

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Videos

Videos relating to Displaying Data 1.

  • Displaying Data 1 - Video - Statistics Frequency Histogram

  • Displaying Data 1 - Video - How to Create A Pareto Chart Like A Pro in Excel | Pareto Principle Example

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