Datafiles
- 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 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.
- 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.
- 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:
- 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 […]
- 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.
- 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:
- 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?
- 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?
- Pizza_ratings Download .TXT file Open in Data Desk ?
- Methods: Multiple Regression
- Source: Consumers' Union
- Number of Cases: 29
- Excerpt:
- 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?
- Pima indians Download .TXT file Open in Data Desk ?
- Methods: Regression
- Source: UCI Machine Learning Repository http://archive.ics.uci.edu/ml/datasets /Pima+Indians+Diabetes.
- Number of Cases: 768
- Excerpt: The Pima Indians of southern Arizona are a unique community. Their ancestors were among the first people to cross over into the Americas some 30,000 years ago. For at least two millennia, they have lived in the Sonoran Desert near the Gila River. Known throughout history as a generous people, they have given of themselves […]