Datafiles



  • Nail_polish Download .TXT file Open in Data Desk ?
  • Methods: Experiment Design, Experiments
  • Source: personal communication
  • Number of Cases: 30
  • Excerpt: A student, preparing for a triathlon, suspected that the 45 minutes each day she spent training in a chlorinated pool was damaging her nail polish. She wished to investigate whether the color of the nail polish might make a difference. She mounted acrylic nails on sticks and polished them with two different color nail polishes. […]


  • Mutual_funds_2016 Download .TXT file Open in Data Desk ?
  • Methods: Displaying Quantitative Data, Summarizing Quantitative Data
  • Source: http://time.com/money/4616747/best-mutual-funds-etfs-money-50/
  • Number of Cases: 50
  • Excerpt: On December 30, 2016, the Standard and Poor’s (S&P) 500 index hit an all-time high. During 2016, the S&P returned 12.25%. Here is a histogram of the 2016 net returns (total return – annual expenses) for Money Magazine’s 50 Best Mutual Funds and ETFs. The net returns are computed from the data given by Money […]


  • 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.




  • Music_library Download .TXT file Open in Data Desk ?
  • Methods: Boxplots, Comparing Groups, Outliers, Re-expression
  • Source: Class survey De Veaux Stat 201
  • Number of Cases: 192
  • Excerpt: Students in an introductory statistics course were asked how many songs theyhad in their digital music library.






  • Mozart Download .TXT file Open in Data Desk ?
  • Methods: Quality Control, Confidence Intervals for Means
  • Source: Rauscher FH, Shaw GL, Ky KN. Listening to Mozart enhances spatial-temporal reasoning: toward a neurophysiological basis. Neurosci Lett 1995;185: 44-7
  • Number of Cases: 125
  • Excerpt: In a study published in the journal PsychologicalScience, Rauscher, Shaw, and Ky reported that when students were given a spatial reasoning section of a standard IQ test, those who listened to Mozart for 10 minutes improved their scores more than those who simply sat quietly.


  • Movies_06-15 Download .TXT file Open in Data Desk ?
  • Methods: Center, Conditional Distribution, Contingency Tables, Data Display, Display Quantitative Variable, Shape, Spread, Summaries
  • Source: www.the-numbers.com/research-analysis
  • Number of Cases: 6897
  • Excerpt: Data about major movie releases in the years 2006 to 2015. Various summaries, displays, and analyses may be appropriate.


  • Movie_profits Download .TXT file Open in Data Desk ?
  • Methods: Indicator Variables, Multiple Regression, Partial Regression Plots
  • Source: combined from IMDB.com Boxofficemojo.com Rottentomatoes.com
  • Number of Cases: 609
  • Excerpt: Does money purchase a good movie? Is the US Gross revenue related to either the budge or the Rotten Tomatoes score? The dataset holds data on 609 recent releases that includes the USGross (in $M), the Budget ($M), the Run Time (minutes), and the score given by the critics on the Rotten Tomatoes website.