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What's on the worksheet
- Read the tree table to name the individuals, variables and units.
- Say what each column and row means in Amara's homeroom table.
- Read the bridge table, including cells where no one measured.
- Correct Sarah's sentence about rows, variables and individuals.
- Read the kite festival table and answer questions about its columns.
- Read the laptop help desk table and answer questions about its rows.
- Read the Starlight Cinema table and answer questions about its variables.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Individuals, variables and units: the lesson ›More Chapter 12 worksheets: Statistical questions, distributions, center and spread
- 12.1Statistical questions and variability
- 12.2Individuals, variables and units
- 12.3Types of data: categorical, numerical, discrete, continuous
- 12.4Collecting data with a survey
- 12.5Mean as balance point
- 12.6Mean from a frequency table and weighted mean
- 12.7Finding the median
- 12.8Mode and bimodal data
- 12.9Quartiles and the five number summary
- 12.10Mean absolute deviation
- 12.11Outliers and the 1.5 IQR rule
- 12.12Resistant and non resistant measures