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
Reading dot plots & frequency tables - Questions
1. The following dot plot shows the number of cavities for each patient seen by Dr. Hall last week. Each dot represents a different patient.
What was the minimum number of cavities that a patient had?
_____ cavities
2. The following frequency table shows the number of strokes it took each golfer to complete Hole
What was the most frequent number of strokes?
______ strokes
3. The following dot plot shows the height of each toddler at Ms. Cabrera's daycare. Each dot represents a different toddler.
How many toddlers are in Ms. Cabrera's daycare?
______ toddlers
4. The following frequency table shows the number of Jui's pictures that have been published in each of the local magazines.
What is the most frequent number of pictures?
______ pictures