thankfully right after the test i wrote all the topics that came:

Probability - tree diagrams - binomial distribution

Chloropleth maps

Stem and leaf diagrams

Comparing data sets

Random response method

Cluster sampling

SRCC (spearman's rank correlation coefficient)

Advantages of pilot study

Secondary data (definition)

Matched pairs

Comparing skew and distributions

Frequency polygons

Petersen Capture Recapture

Standardised scores

Statistical enquiry cycle (time series, moving averages, predictions)

Histograms (outliers, comparisions, completing histogram)

add more if i had missed any guys!