Datafiles
- Old_Faithful_2020 Download .TXT file Open in Data Desk ?
- Methods: Confidence Intervals for Means
- Source: https://geysertimes.org/retrieve.php
- Number of Cases: 383
- Excerpt: It is a common belief that Yellowstone’s most famous geyser erupts once an hour at very predictable intervals. But, in fact, the intervals between eruptions can vary greatly. Can we predict the interval from, for example, the duration of the previous eruption? Are there other patterns in the data worth noting?
- Old_pitchers Download .TXT file Open in Data Desk ?
- Methods: Regression
- Source: unknown
- Number of Cases: 14
- Excerpt:
- Olympic_jumps_2016 Download .TXT file Open in Data Desk ?
- Methods: Correlation, Re-expression, Regression
- Source: various
- Number of Cases: 27
- Excerpt: How are Olympic performances in various events related? The data gives winning long-jump and high-jump distances in meters, for the Summer Olympics from 1912 through 2016
- Online_insurance Download .TXT file Open in Data Desk ?
- Methods: Blocking, Comparing Two Groups, Nonparametric Methods, Paired Data
- Source: unknown
- Number of Cases: 10
- Excerpt:
- Online_Shopping Download .TXT file Open in Data Desk ?
- Methods: Blocking, Comparing Two Groups, Paired Data, Regression
- Source: unknown
- Number of Cases: 15
- Excerpt:
- Oranges Download .TXT file Open in Data Desk ?
- Methods: Outliers, Re-expression, Regression, Residuals
- Source: unknown
- Number of Cases: 14
- Excerpt: As the number of oranges on a tree increases, the fruit tends to get smaller. The dataset gives numbers of oranges/tree and average weight/orange (in pounds).
- Ozone Download .TXT file Open in Data Desk ?
- Methods: Boxplots, Displaying Quantitative Data, Regression, Summarizing Quantitative Data
- Source: Cleveland W. Kleiner B. Mc Rae J. Warner J. "The Analysis of Ground-level ozone data from New Jersey, New York, Connecticut, and Massachusetts: Data quality Assessment and Temporal and Geographical Properties"
- Number of Cases: 546
- Excerpt: Ozone levels (in parts per billion, ppb) were recorded at sites in New Jersey monthly between 1926 and 1971. Here are boxplots of the data for each month (over the 46 years), lined up in order (January = 1):
- Paper_airplanes Download .TXT file Open in Data Desk ?
- Methods: Multifactor Analysis of Variance
- Source: Student experiment from De Veaux
- Number of Cases: 64
- Excerpt: A student conducted an experiment to see which, if any, of four different paper airplane designs results in the longest flights (measured in inches).
- Paralyzed_veterans Download .TXT file Open in Data Desk ?
- Methods: Hypothesis Tests
- Source: unknown
- Number of Cases: 7600
- Excerpt:
- Passive_smoke Download .TXT file Open in Data Desk ?
- Methods: Boxplots, Comparing Groups, Outliers, Re-expression
- Source: unknown
- Number of Cases: 150
- Excerpt: Researchers measured the concentration (nanograms per milliliter) of cotinine in the blood of three groups of people: nonsmokers who have not been exposed to smoke, nonsmokers who have been Exposed To Smoke (ETS), and smokers. Cotinine is left in the blood when the body metabolizes nicotine, so its value is a direct measurement of the […]
- pay_gap Download .TXT file Open in Data Desk ?
- Methods: Correlation, Re-expression, Regression
- Source: https://www.bls.gov/charts/usual-weekly-earnings/usual-weekly-earnings-over-time-total-men-women.htm#
- Number of Cases: 81
- Excerpt: The U.S. Bureau of Labor Statistics (BLS) reports median weekly earnings for men and women on a quarterly basis. The data report median weekly earnings for all workers and separately for men and women for the years 2000 – 2020 Q1
- Pendulum Download .TXT file Open in Data Desk ?
- Methods: Outliers, Re-expression, Regression, Residuals
- Source: unknown
- Number of Cases: 10
- Excerpt: A student experimenting with a pendulum counted the number of full swings the pendulum made in 20 seconds for various lengths of string. Her data are given.