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Select and trial methods for data collection

• Create a survey and related recording sheet, considering the appropriate organisation of categories for data collection.

• Refine survey questions as necessary after a small trial.

• Conduct a survey or make observations to collect categorical or numerical data.

• Compare the effectiveness of different methods of collecting and recording data.

Construct and interpret data displays with many-to-one scales

• Use a given many-to-one scale to represent discrete data in column graphs.

• Use data in a spreadsheet to create column graphs with units on vertical axes that are in multiples.

• Interpret and evaluate the effectiveness of various data displays found in media and in factual texts where displays represent data using a scale of many-to-one.