Datafiles
- Euro-US_GDP_growth_2017 Download .TXT file Open in Data Desk ?
- Methods: Regression, Correlation, Scatterplot
- Source: https://data.worldbank.org/indicator/NY.GDP.MKTP.KD.ZG
- Number of Cases: 56
- Excerpt:
- Exam_time Download .TXT file Open in Data Desk ?
- Methods: Hypothesis Tests
- Source: invented data
- Number of Cases: 20
- Excerpt: The instructor of a large math class estimates that at the intended level of difficulty, his undergraduate midterm exams require on average 10 minutes for graduate students in his department to complete. If the average is longer than 10 minutes, then the exam is likely too hard and needs to be revised. As usual, the […]
- Exercise_equipment Download .TXT file Open in Data Desk ?
- Methods: Comparing Two Groups
- Source: Medicine and Science in Sports and Exercise, 2001
- Number of Cases: 24
- Excerpt: A leading manufacturer of exercise equipment wanted to collect data on the effectiveness of their equipment. An August 2001 article in the journal Medicine and Science in Sports and Exercise compared how long it would take men and women to burn 200 calories during light or heavy workouts on various kinds of exercise equipment. The […]
- Exoplanets Download .TXT file Open in Data Desk ?
- Methods: Re-expression
- Source: https://en.wikipedia.org/wiki/List_of_potentially_habitable_exoplanets
- Number of Cases: 72
- Excerpt: This is a list of exoplanets within the circumstellar habitable zone that are either under 10 Earth masses or smaller than 2.5 Earth radii, and thus have a chance of being rocky.[3][1] Note that inclusion on this list does not guarantee habitability, and in particular the larger planets are more unlikely to have a rocky […]
- Exoplanets_2025 Download .TXT file Open in Data Desk ?
- Methods: Re-expression
- Source: https://en.wikipedia.org/wiki/List_of_potentially_habitable_exoplanets
- Number of Cases: 72
- Excerpt: Currently identified exoplanets within the circumstellar habitable zone that are either under 10 Earth masses or smaller than 2.5 Earth radii, and thus have a chance of being rocky.[3][1] Note that inclusion on this list does not guarantee habitability, and in particular the larger planets are more unlikely to have a rocky composition.[4] Earth is […]
- Expensive_cities Download .TXT file Open in Data Desk ?
- Methods: Regression, Correlation, Scatterplot
- Source: numbeo.com
- Number of Cases: 40
- Excerpt:
- Eye_and_Hair_color Download .TXT file Open in Data Desk ?
- Methods: Analysis of Variance, Inference
- Source: Student survey
- Number of Cases: 1021
- Excerpt: Students in a large statistics class were asked to report the eye color and hair color. Is there an association?
- F-stops Download .TXT file Open in Data Desk ?
- Methods: Correlation, Re-expression, Scatterplot
- Source: http://garsteckphotography.blogspot.com/2011/04/using-manual-settings-must-know.html
- Number of Cases: 8
- Excerpt: Some camera lenses have an adjustable aperture, the hole that lets the light in. The size of the aperture is expressed in a mysterious number called the f/stop. Each increase of one f/stop number corresponds to a halving of the light that is allowed to come through. When you halve the shutter speed, you cut […]
- Farmed_salmon Download .TXT file Open in Data Desk ?
- Methods: Confidence Intervals for Means, Hypothesis Tests, Hypothesis Tests for Means, Statistical Inference
- Source: Ronald A. Hites, Jeffery A. Foran, David O. Carpenter, M. Coreen Hamilton, Barbara A. Knuth, and Steven J. Schwager, “Global Assessment of Organic Contaminants in Farmed Salmon,” Science 9 January 2004: Vol. 303, no. 5655, pp. 226–229
- Number of Cases: 153
- Excerpt: In 2004, a team of researchers published a study of contaminants in farmed salmon. Fish from many sources were analyzed for 14 organic contaminants. The study expressed concerns about the level of contaminants found. One of those was the insecticide mirex, which has been shown to be carcinogenic and is suspected to be toxic to […]
- Faulty_pixels Download .TXT file Open in Data Desk ?
- Methods: Quality Control
- Source: invented
- Number of Cases: 50
- Excerpt:
- Female_president Download .TXT file Open in Data Desk ?
- Methods: Regression
- Source: Ronald A. Hites, Jeffery A. Foran, David O. Carpenter, M. Coreen Hamilton, Barbara A. Knuth, and Steven J. Schwager, “Global Assessment of Organic Contaminants in Farmed Salmon,” Science 9 January 2004: Vol. 303, no. 5655, pp. 226–229
- Number of Cases: 16
- Excerpt:
- Fertility and Life expectancy 2024 Download .TXT file Open in Data Desk ?
- Methods: Regression
- Source: http://data.worldbank.org/indicator/SP.DYN.LE00.FE.IN for life expectancy at birth http://data.worldbank.org/indicator/SP.DYN.TFRT.IN for fertility rates
- Number of Cases: 219
- Excerpt: Fertility (births/woman) and Female life expectancy for 219 countries of the world. (Data is available on both variables for only 200). How is life expectancy related to fertility? Are there any outliers and, if so, what do they indicate?