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2 Handling data

Use an appropriate number of significant figures.

Understand and find the arithmetic mean (average).

Construct and interpret bar charts.

Construct and interpret frequency tables, diagrams and histograms.

Understand simple probability.

Use a scatter diagram to identify a pattern or trend between two variables.

Make order-of-magnitude calculations.

Objective notes

7 learning objectives

22A Significant figuresUse an appropriate number of significant figures.View 22B Arithmetic meanUnderstand and find the arithmetic mean (average).View 22C Bar chartsConstruct and interpret bar charts.View 22D Frequency tables, diagrams and histogramsConstruct and interpret frequency tables, diagrams and histograms.View 22F Simple probabilityUnderstand simple probability.View 22H Scatter diagramsUse a scatter diagram to identify a pattern or trend between two variables.View 22I Order-of-magnitude calculationsMake order-of-magnitude calculations.View

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