Datafiles

  • Interest_rates_and_mortgages_2015 Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Regression, Scatterplot
  • Source: www.freddiemac.com/pmms/pmms30.htm and www.federalreserve.gov/econresdata/releases/mortoutstand/current.htmhttps://www.federalreserve.gov/econresdata/releases/mortoutstand/current.htm
  • Number of Cases: 31
  • Excerpt: The amount charged for mortgages may be related to the total value of mortgage loans in the US. Can that relationship be modeled? Does it depend as well on the year? Consider a rotating plot of interest rate, mortgage total, and year.


  • IQ_Brain Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Re-expression, Scatterplot
  • Source: unknown
  • Number of Cases: 41
  • Excerpt: A study examined brain size (measured as pixels counted in a digitized magneticresonance image [MRI] of a cross section of the brain) and IQ (4 performance scales of the Wechsler IQ test) for college students. The data give the Performance IQ scores and Brain Size.








  • Mutual_fund_returns_2017 Download .TXT file Open in Data Desk ?
  • Methods: Comparing Two Groups, Correlation, Regression, Scatterplot
  • Source: http://news.morningstar.com/fund-category-returns/
  • Number of Cases: 98
  • Excerpt: Mutual fund returns for a sample of mutual funds sampled in 2017. These are a good source of data for paired methods.


  • Old_Faithful Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Data Display, Inference, Re-expression, Regression, Summaries
  • Source: unknown
  • Number of Cases: 222
  • 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?


  • 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


  • Penguins Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Outliers, Re-expression, Regression, Residuals
  • Source: Jessica Meir personal communication
  • Number of Cases: 125
  • Excerpt: Emperor penguins are the most accomplished divers among birds, making routine dives of 5–12 minutes, with the longest recorded dive over 27 minutes. These birds can also dive to depths of over 500 meters! Since air-breathing animals like penguins must hold their breath while submerged, the duration of any given dive depends on how much […]


  • Pizza_prices Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Center, Comparing Groups, Correlation, Data Display, Display Quantitative Variable, Displaying Quantitative Data, Outliers, Re-expression, Regression, Scatterplot, Shape, Spread, Summaries, Summarizing Quantitative Data
  • Source: From Norean Sharpe personal communication
  • Number of Cases: 156
  • Excerpt: Sales volume and price of a slice of plain pizza ($) in Baltimore, Dallas, Chicago, and Denver for 156 weeks. How are prices and sales volumes related? Are patterns the same across cities?


  • Planets Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Outliers, Re-expression, Regression, Residuals, Scatterplot
  • Source: http://www.enchantedlearning.com/subjects/astronomy/planets/
  • Number of Cases: 9
  • Excerpt: On August 24, 2006, the International Astronomical Union voted that Pluto is not a planet. Some members of the public have been reluctant to accept that decision. The data show the average distance of each of the traditional nine planets from the sun. Is there a pattern? Does Pluto fit with the other “official” planets?


  • Planets_more_data Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Re-expression, Scatterplot
  • Source: http://www.windows2universe.org/our_solar_system/planets_table.html
  • Number of Cases: 9
  • Excerpt: On August 24, 2006, the International Astronomical Union voted that Pluto is not a planet. Some members of the public have been reluctant to accept that decision. The data show a variety of facts about the 8 planets and Pluto. Exercises consider two models for the planets. Does Pluto behave like a planet?