Calculating Percentages

March 8, 2021 - Paper 2 Psychology in Context | Research Methods

Calculating Percentages:

 

Percentages are descriptive statistics that show the rate/number/amount of something within every 100 (per cent). E.g. 5% means 5/100. Percentages can be plotted on a pie chart (whole pie = 100, segments represent a proportion of this 100%).

Calculating a Percentage  Divide the numerator (result) by the denominator (max possible) then multiply by 100.

 

For example:

Scoring 120 marks (numerator) on a paper worth a maximum of 140 (denominator)
120/140 = 0.857

0.857x 100 = 85.71%

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