Data Analysis
Data displays, frequency tables, summary statistics, outliers, graph interpretation and cautious data conclusions.
Active lessons
9
Status
Active
Lesson flow
Learn -> Guided Practice -> Independent Practice -> Mastery Quiz
How to use this unit
- Start from lesson 1 and move through the pathway in order.
- Use guided practice before attempting independent practice.
- Mastery quizzes check whether the skill is ready for review or extension.
Unit pathway
Lesson pathway
9 of 9 active
Lesson 1
Data Displays and Summary Statistics
Read data displays and calculate mean, median, mode and range in practical contexts.
Lesson 2
Interpreting Data and Outliers
Interpret practical data, identify outliers, and choose cautious conclusions using mean or median.
Lesson 3
Grouped Data and Frequency Tables
Read grouped frequency tables, identify the modal class, and estimate the mean using class midpoints.
Lesson 4
Box Plots and the Five-Number Summary
Find Q1, median, Q3, IQR and fences, identify outliers by the IQR rule, and compare two distributions using box plots.
Lesson 5
Stem-and-Leaf Plots
Read and interpret stem-and-leaf plots, find the median, and compare two datasets using back-to-back stem-and-leaf plots.
Lesson 6
Time Series and Trend Lines
Plot and read time series data, describe trends as increasing, decreasing or fluctuating, and make cautious predictions.
Lesson 7
Data Analysis Exam Practice
Practise mixed data questions using tables, summary statistics, graph interpretation, outliers and cautious conclusions.
Lesson 8
Data Collection and Sampling Methods
Pose statistical questions, apply questionnaire design principles, compare sampling methods (systematic, self-selected, random, stratified), evaluate representativeness, and consider privacy and ethics.
Lesson 9
Data Analysis Revision
Activate Year 10 prior knowledge: reading column graphs, dot plots and pictographs; calculating mean, median, mode and range from raw data; understanding data types.
Part of the Online Learning Package
Unit previews stay public, while individual lessons require active online learning access.