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

Estimate center using dot plots - Answers

1. This is the correct sequence of class periods from least to greatest typical score:



2. Of the choices, it is reasonable to say that a member typically answered about 10 challenge questions correctly.

3. Of the choices, it is reasonable to say that a patient typically had about 2 cavities.

4. This is the correct sequence of nights from least to greatest typical number of people per table: