1
Arithmetic Mean
Calculate the mean and interpret it as a fair share or balance point.
Chapter route
Tales by Dots and Lines
This chapter page turns the high-level subject view into an ordered learning slice, with direct links from curriculum items into topic and skill detail.
Ordered curriculum items
Each curriculum item can now route into topic and skill-level detail.
2
Missing Value from Mean
Find an unknown data value when the mean and other values are known.
3
Comparing Means
Use mean to compare groups while recognizing limitations of average values.
4
Dot Plot Representation
Represent small data sets using dots and read frequencies from dot plots.
5
Dot Plot Interpretation
Identify clusters, gaps, and spread in dot plots.
6
Reading Line Graphs
Extract exact and approximate values from line graphs.
7
Line Graph Trends
Describe increase, decrease, constancy, and rate of change from line graphs.
8
Creating Line Graphs
Plot ordered data from a table and connect points meaningfully when appropriate.
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