Datafiles







  • Dairy_sales Download .TXT file Open in Data Desk ?
  • Methods: Inference
  • Source: unknown
  • Number of Cases: 12
  • Excerpt: Peninsula Creameries sells both cottage cheese and ice cream. The CEO recently noticed that in months when the company sells more cottage cheese, it seems to sell more ice cream as well.


  • Dalia Download .TXT file Open in Data Desk ?
  • Methods: Data Displays
  • Source: Student experiment from De Veaux
  • Number of Cases: 13356
  • Excerpt: Dalia collects data via smartphone from users worldwide. This survey asked (among many other questions) about access to cars and the use of ride-hailing apps












  • Depression_and_the_internet Download .TXT file Open in Data Desk ?
  • Methods: Correlation, Re-expression, Regression
  • Source: "Internet paradox. A social technology that reduces social involvement and psychological well-being?", Kraut R1, Patterson M, Lundmark V, Kiesler S, Mukopadhyay T, Scherlis W., Am Psychol. 1998 Sep;53(9):1017-31.
  • Number of Cases: 169
  • Excerpt: The September 1998 issue of the American T Psychologist published an article by Kraut et al. that reported on an experiment examining “the social and psychological impact of the Internet on 169 people in 73 households during their first 1 to 2 years online.” In the experiment, 73 households were offered free Internet access for […]


  • Designated_hitter_2012 Download .TXT file Open in Data Desk ?
  • Methods: Nonparametric Methods
  • Source: mlb.com
  • Number of Cases: 30
  • Excerpt: In the National league all players take a turn at bat. But in the American league, a “designated hitter” usually bats for the pitcher, who is likely not to be a strong batter. The theory is that a designated hitter will lead to more hits, more runs, and a higher-scoring game. The data give the […]