Sigma Statistics links

If you wish to submit a new link that relates to material in Sigma Statistics or report any links that are no longer working please email feedback@mathematics.co.nz

 

 

Chapter 3 - Seasonal adjustments and index numbers Page 53  NZX15 Chapter 4 - Analysing bivariate data Page 69  Guessing values of the correlation coefficient (1) Page 69  Guessing values of the correlation coefficient (2) Page 71  Evaluation of r - adding points Page 73  Evolution of a star Page 94  Statistical data sets Chapter 5 - Bivariate relationships Page 96   Least squares and residuals Page 96   Regression by eye Chapter 6 - Exploratory data analysis Page 135  Altering bin widths in histograms Page 138  Histogram bin widths Page 138  Dot plot stats - guess vs actual Page 143  How does Excel calculate quartiles? Chapter 7 - Sampling variability Page 150    How to use iNZight Visual Inference tools (VIT) Page 160    Confidence interval simulation Chapter 8 - Differences between samples Page 150    Education counts Chapter 9 - Types of experiment Page 210   Randomisation Page 210   How to use iNZight Visual Inference tools (VIT) Page 215   Main effects plots Page 225   Interaction plots   Chapter 12 - Data sources Page 266    Margins of Error - NZ Election 2005                 A case study by Matt Regan (Department of Statistics, University of Auckland) Chapter 15 - Probability and events based on chance Page 338  A boy or a girl? Page 339  Human sex ratio Page 349  Bertrand's paradox Chapter 15 in Sigma Statistics Workbook Page 103    The history of playing card designs

Chapter 16 - Probability techniques Page 364  The birthday problem (1) Page 364  The birthday problem (2) Chapter 17 - Conditional probability Page 371  Green and red balls Page 372  Conditional probability   Chapter 18 - Arrangements and selections Page 384   Multiplication principle (cute)  Page 386   Factorials (1) Page 386   Factorials (2) Page 393   Permutations and combinations (1) Page 393   Permutations and combinations (2) Page 401   Poker hand probabilities (1) Page 401   Poker hand probabilities (2) Page 401   Poker hand probabilities (3) Chapter 19 - Discrete random variables Page 420   Platonic solids Chapter 21 - The binomial distribution Page 451   Binomial coin-tossing Page 451   The ball-drop experiment Page 453   Binomial probability calculator Chapter 22 - The Poisson distribution Page 473   Poisson probability calculator Page 483   Earthquake data Chapter 23 - The normal distribution Page 494    Normal probability calculator (1) Page 494    Normal probability calculator (2) Chapter 24 - Simulation Page 527  Human guessing is not random Page 527  Simulating binomial probabilities Page 531  Breaking the stick simulation Chapter 24 in Sigma Statistics Workbook Page 171    Random walk in one or two dimensions Page 171    Random walk in 2D Page 171    Drunken sailor animation Appendix 1 - Using the Central Limit Theorem to construct confidence intervals Page 548    Sampling distributions Page 562    Confidence intervals for proportions