The Collection of Data

Planning & Types of Data

Planning an Enquiry

Types of Data

Population, Sampling & Collecting Data

Population & Sampling

Collecting Data

Processing, Representing & Analysing Data

Tabulation, Diagrams & Representation

Histograms & Frequency Polygons

Selecting & Interpreting Data Representations

Measures of Central Tendency

Mode, Median & Mean

Mode & Mean from Grouped Data

Linear Interpolation

Transforming Data

Measures of Dispersion

Quartiles & Percentiles

Types of Range

Outliers

Using Summary Statistics

Using Measures of Central Tendency

Using Measures of Dispersion

Skewness

Index Numbers & Rates of Change

Rates of Change

Scatter Diagrams & Correlation

Scatter Diagrams & Correlation

Lines of Best Fit

Spearman's Rank Correlation Coefficient

Time Series

Time Series Graphs

Moving Averages

Identifying & Interpreting Trends in Data

Estimation

Estimation from Statistical Data

Probability

Probability

Probabilities & Data

Risk & Bias

Probability Formulae

Probability Diagrams