Statistics

All Diploma Programme biology students should be able to:

• perform the basic arithmetic functions: addition, subtraction, multiplication and division

• carry out calculations involving means, decimals, fractions, percentages and ratios

• represent and interpret frequency data in the form of bar charts, graphs and histograms, including direct and inverse proportion

• plot graphs (with suitable scales and axes) involving two variables that show linear or non-linear relationships

• plot and interpret scattergraphs to identify a correlation between two variables, and appreciate that the existence of a correlation does not establish a causal relationship

• determine the mode and median of a set of data, calculate and analyse standard deviation

• select statistical tests appropriate for the analysis of particular data and interpret the results.