Chapter Notes
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Collection of Data
Hypothesis testing, types of data, sampling methods, questionnaire design, capture-recapture
Processing and Representing Data
Frequency tables, histograms, pie charts, stem-and-leaf, box plots, cumulative frequency
Summarising Data
Mean, median, mode, range, IQR, standard deviation, standardised scores, skewness
Scatter Diagrams and Correlation
Scatter diagrams, lines of best fit, Spearman's rank correlation, PMCC
Time Series
Trend lines, moving averages, seasonal variation, forecasting
Probability
Basic probability, tree diagrams, Venn diagrams, conditional probability
Index Numbers
Simple and weighted index numbers, chain base index, RPI, CPI
Probability Distributions
Discrete probability distributions, expected value, binomial distribution, normal distribution