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Popular
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Artifical data (based on Pythagorus' theorem)
Artificial data based on Pythagorus' Theorem, showing regression diagnostics can fail to indicate non-linear relationships
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Annual sales of domestic appliances in the USA
Annual sales of dishwashers, disposers, refrigerators and washers in the United States from 1960 to 1985
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Monthly average number of bus passengers
The monthly average number of bus passengers in Iowa from September, 1971 to December, 1982
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Australian monthly beer production
The number of megalitres of beer produced each month in Australia from January 1956 to August Aug 1995
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Chocolate bars and nutritional information
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Icecream sales
This dataset can be used to demonstrate autocorrelated residuals in multiple regression.
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Jeans sales in the UK
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Rolling dice
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Stopping distance
A dataset with two variables, an increasing variance and a quadratic relationship.
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Gender differences in mathematics
A three factor contingency table with one ordered factor.
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Estimating lengths
Estimates of the length of a room in metres and in feet (unpaired).
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Whisky prices
Whisky prices in 1991 in the USA for 16 monopoly states and 26 private-ownership states
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Salaries in two occupations
The salaries from 72 randomly chosen jobs ads in The Guardian on April 6, 1992
in pounds sterling.
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Numbers drawn in Oz Lotto
The number of times each number from 1 to 45 has been drawn in Oz Lotto from Game 1 to Game 473.
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Drivers by Zodiac sign
The percent of car crashes for most States and Territories of Australia (and national figures)
by Zodiac sign.
There is no significant association despite a claim in the Australian newspaper.
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Toowoomba fuel prices
The monthly average price of unleaded and LRP fuel in Toowoomba, Qld, Australia.
A paired test shows definite differences, but a non-paired test does not.
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Queensland fuel prices
The monthly average price of unleaded fuel in six cities in Queensland, Australia
from September 2002 to May 2003.
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Data from countries
(PCA, cluster analysis, etc.)
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Washing machine spin speeds
The data give the spin-drying performance
of thirteen front load washing machine,
using Australian specifications at 04 July 2005.
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Computer disc media
Computer CD, DVD and DVD-RW prices in when purchased in packs.
Useful for interpretting the regression parameters.
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SMS speed
The speed at which people can SMS a message;
paired (within age groups, using own and control phones)
and non-paired tests (teens versus over 30s) are possible.
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Weight of Cherry Ripe mini-bars
The weight of 12 individually wrapped Cherry Ripe chocolate bars,
meant to weight 18g on average
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