Frequency Tables and Dot Plots

Sometimes it is helpful to know how many times a given data point occurs in the set of numbers. This is easy to find out if the data is organized in a frequency table or a dot plot. Watch the video and complete the corresponding interactive exercises.

Practice

Creating frequency tables - Answers

1. \begin{array}{cc}\text { Number of times being suspended } & \text { Number of students } \\\hline 4 & 2 \\\hline 5 & 3 \\\hline 6 & 1 \\\hline  7 & 2\end{array}

2. \begin{array}{cc}\text { Number of holes } & \text { Number of dresses } \\\hline 5 & 1 \\\hline 6 & 0 \\\hline 7 & 2 \\\hline 8 & 3\end{array}

3. \begin{array}{cc}\text { Number of children } & \text { Number of members } \\\hline 1 & 1 \\\hline 2 & 1 \\\hline 3 & 2 \\\hline 4 & 1 \\\hline 5 & 3 \\\end{array}

4. \begin{array}{cc}\hline \text{Number of injured players} &\text {  Number of matches } \\\hline 0 & 0 \\\hline 1 & 3 \\\hline 2 & 3 \\\hline \end{array}