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Grade 3
Statistics and Probability
17. Collect first-hand data and organize it using tally marks, line plots, charts, and lists
17.1 Frequency tables and dot plots
Frequency Tables and Dot Plots
Learn how to organize raw data into a frequency table using tally marks, then display that same data as a simple, easy-to-read dot plot.
What You'll Learn
Organize raw data values into a frequency table listing each value, its tally marks, and its total frequency.
Count tally marks accurately by grouping them in sets of five for fast, error-free totals.
Translate a frequency table directly into a dot plot by stacking one dot per occurrence above each value.
Read a dot plot to quickly identify the most common value, the range, and any gaps or outliers in the data.
Compare frequency tables and dot plots to bar graphs and histograms to choose the best display for a data set.
What You'll Practice
1
Building frequency tables from lists of data values
2
Constructing dot plots on number lines from given data
3
Reading and interpreting existing frequency tables and dot plots
4
Converting data between table and dot plot formats
Why This Matters
Frequency tables and dot plots are essential tools for organizing and visualizing data in statistics. You'll use these skills to analyze survey results, scientific data, and real-world information throughout math and science courses.
This Unit Includes
11 Video lessons
Practice exercises
Learning resources
Skills
Frequency Tables
Dot Plots
Data Analysis
Statistics
Data Visualization
Graphing
NS Curriculum Aligned