Statistics 2260
5个单元 · 35个章节
免费的Statistics 2260学习笔记，专为CCEA GCSE学生准备。下列每个章节都涵盖一个重点主题，附有例题与练习提示，可在 thinka 应用中延伸练习。
Planning and Data Collection
The statistical problem-solving process
Populations, sampling frames and samples
Random, systematic and stratified sampling
Opportunity, quota and cluster sampling
Primary and secondary data collection methods
Questionnaires and bias
Problems with data and outliers
Types of data
Processing, Representing and Analysing Data
Tables, tally charts and two-way tables
Venn diagrams
Scatter diagrams, correlation and lines of best fit
Pictograms, pie charts and bar charts
Stem and leaf diagrams
Histograms and frequency polygons
Cumulative frequency diagrams and box plots
Skewness
Time series and moving averages
Index numbers
Measures of central tendency
Measures of spread
Reasoning, Interpreting and Discussing Results
Population pyramids, choropleth maps and comparative pie charts
Correlation and causation
Graphical misrepresentation
Control charts and quality assurance
Interpreting lines of best fit and correlation coefficients
Comparing data sets and drawing conclusions
Sample reliability and the Petersen capture/recapture method
Probability
The probability scale and estimates of probability
Expected frequency and risk
Experimental and theoretical probability
Frequency trees, two-way tables, Venn diagrams and tree diagrams
Statistical Distributions
The normal distribution as a model
Standardised scores (z-scores)
The binomial distribution as a model
Statistics in real-life
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