# Statistics

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Bar charts Frequency tables & grouping data Calculate median Calculate mean, mode and range Averages Completing and using two-way tables Dual bar charts Pictograms Frequency polygons Stem and leaf diagrams Calculating probabilities Sample spaces & probabilities Combinations Questionnaires Cumulative frequency tables and graphs Mean calculations Estimating the mean from grouped frequency tables Find the modal class from a grouped frequency tables Find the median class from a grouped frequency tables Calculate mean from a frequency table Calculate median from a fequency table Calculate mode from a frequency table Stratified sampling  Lines of best fit Pie charts Scatter graphs & correlation Quartiles Mutually exclusive events Probability AND/OR rules Venn diagrams Probability trees Box plots (from raw data, or when given the median and quartiles) Histograms with unequal class intervals, using frequency density Interpreting histograms/frequency denisty diagrams 