Datafiles
- 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?
- Police_pay_2016 Download .TXT file Open in Data Desk ?
- Methods: Multiple Regression
- Source: https://www.how-to-become-a-police-officer.com/salaries/https://ucr.fbi.gov/crime-in-the-u.s/2016/crime-in-the-u.s.-2016/tables/table-3http://www.governing.com/gov-data/high-school-graduation-rates-by-state.html
- Number of Cases: 51
- Excerpt:
- Polling Download .TXT file Open in Data Desk ?
- Methods: Comparing Two Groups, Correlation, Regression
- Source: Polling data from Gallup
- Number of Cases: 14
- Excerpt: How accurate are pollsters in predicting the outcomes of Congressional elections? The table shows the actual number of Democrat seats in the House of Representatives and the number predicted by the Gallup organization for nonpresidential election years in the 4 decades following World War II.
- Popcorn Download .TXT file Open in Data Desk ?
- Methods: Confidence Intervals for Means, Hypothesis Tests, Hypothesis Tests for Means
- Source: De Veaux class project
- Number of Cases: 8
- Excerpt: Yvon Hopps ran an experiment to determine optimum power and time settings for microwave popcorn. His goal was to find a combination of power and time that would deliver high-quality popcorn with less than 10% of the kernels left unpopped, on average. After experimenting with several bags, he determined that power 9 at 4 minutes […]
- Population_Commute_Times Download .TXT file Open in Data Desk ?
- Methods: Normal Probability Plots, Data Display, Confidence Intervals for Means
- Source: De Veaux personal data (generated from actual data)
- Number of Cases: 5000
- Excerpt:
- Population_growth_2010 Download .TXT file Open in Data Desk ?
- Methods: Boxplots, Center, Comparing Groups, Data Display, Display Quantitative Variable, Outliers, Re-expression, Shape, Spread, Summaries
- Source: www.census.gov/compendia/statab/rankings.html
- Number of Cases: 51
- Excerpt: the percentage change in population for the 50 states and the District of Columbia from the 2000 census to the 2010 census.
- Poverty and region 2022 Download .TXT file Open in Data Desk ?
- Methods:
- Source: https://www2.census.gov
- Number of Cases: 4
- Excerpt: Data were reported by the U.S. Census Bureau. The data show the number of people (in thousands) living above and below the poverty line in each of the four regions of the United States.
- Poverty_and_Region_2015 Download .TXT file Open in Data Desk ?
- Methods: Data Displays
- Source: https://www2.census.gov/programs-surveys/demo/tables/p60/256/pov_table3.xls
- Number of Cases: 4
- Excerpt: In 2017, data were reported by the U.S. Census Bureau. The data show the number of people (in thousands) living above and below the poverty line in each of the four regions of the United States.
- Poverty_and_Region_2017 Download .TXT file Open in Data Desk ?
- Methods: Conditional Distribution, Contingency Tables
- Source: https://www2.census.gov
- Number of Cases: 4
- Excerpt: In 2017, data were reported by the U.S. Census Bureau. The data show the number of people (in thousands) living above and below the poverty line in each of the four regions of the United States.
- Pregnancies Download .TXT file Open in Data Desk ?
- Methods: Chi Square Tests
- Source: Unknown
- Number of Cases: 4
- Excerpt: Most pregnancies are full-term, but some are preterm (less than 37 weeks). Of those that are preterm. the Centers for Disease Control and Prevention classifies them as early (less than 34 weeks) and late (34 to 36 weeks). A December 2010 National Vital Statistics Report examined those outcomes in the United States broken down by […]
- Prices_and_Earnings Download .TXT file Open in Data Desk ?
- Methods: Correlation, Re-expression, Scatterplot
- Source: USB - Prices and Earning: A comparison of purchasing power around the globe/2012 edition www.economist.com/node/14288808?story_id=14288808
- Number of Cases: 72
- Excerpt: UBS (one of the largest banks in the world) prepared a report comparing prices, wages, and other economic conditions in cities around the world for it’s international clients. Some of the variables it measured in 73 cities are Cost of Living, Food Costs, Average Hourly Wage, average number of Working Hours per Year, average number […]