Coaching Centre
Chapter 4: Statistics Notes
Collecting and misusing data, summary statistics, comparing data sets with box plots, standard deviation, time-series data, bivariate data, scatter plots and lines of best fit.
Sections
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4A Comparing data sets Mastered
Misleading statistics and biased samples, summary statistics, shape and skewness, and comparing two data sets with parallel box plots.
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4B Standard deviation Mastered
Standard deviation as a measure of spread about the mean, calculating it by hand and with a calculator, and interpreting and comparing standard deviations.
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4C Time series and bivariate data Mastered
Time-series graphs, trend and seasonal patterns, bivariate data, explanatory and response variables, scatter plots and describing correlation by direction, form and strength.
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4D Lines of best fit Mastered
Drawing a line of best fit by eye, finding its equation, using it to make predictions, interpolation and extrapolation, and linear regression with technology.