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ACARA 7-8 Digital Technologies: Validating data and checking quality

Students learn to block bad data with validation rules when it is entered, then count remaining problems and record the cleaning they did.

One content description (AC9TDI8P01) from the full ACARA Digital Technologies Years 7–8 — Acquiring and Storing Data journey. All 7 modules below are in that journey too, with the same content — add just these to a class, or the whole strand.

Modules (7)

1 Validation: why data is checked on entry 2 Types of validation check 3 Number range validation in a spreadsheet 4 Drop-down list validation in a spreadsheet 5 Validation messages and error alerts 6 Counting data problems with a quality summary 7 Keeping a cleaning log
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