2.2  Making measurements and analysing data

 

2.1.1  Measurements and uncertainties

Learners should be able to demonstrate and apply their knowledge and understanding of:

 

(a) systematic errors (including zero errors) and random errors in measurements

 

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(b) precision and accuracy As discussed in The Language of Measurement (ASE 2010).

 

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(c) absolute and percentage uncertainties when data are combined by addition, subtraction, multiplication, division and raising to powers.

 

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(d) graphical treatment of errors and uncertainties; line of best fit; worst line; absolute and percentage uncertainties; percentage difference.

 

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