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Measures of central tendency・Form 3 maths

Find a missing value

A standard method from Measures of central tendency: the steps.

Steps

Total = mean × number of items. Subtract the known values.

For the whole topic, read Measures of central tendency: key points, common mistakes and how the DSE tests it.

Other methods in this topic

Ungrouped dataMeasures of central tendencyFrequency table or grouped dataMeasures of central tendencyWeighted meanMeasures of central tendencyEffects of operations (NF)Measures of central tendency