Foundations for inference

pew_energy_2018 $\to$ The actual data has more observations than were referenced in this chapter. That is, we used a subsample since it helped smooth some of the examples to have a bit more variability. The pew_energy_2018 data set represents the full data set for each of the different energy source questions, which covers solar, wind, offshore drilling, hydrolic fracturing, and nuclear energy. The statistics used to construct the data are from the following page:

www.pewinternet.org/2018/05/14/majorities-see-government-efforts-to-protect-the-environment-as-insufficient/

pew_energy_2018 $\to$ See the details for this data set above in the Section 5.1 data section.

ebola_survey $\to$ In New York City on October 23rd, 2014, a doctor who had recently been treating Ebola patients in Guinea went to the hospital with a slight fever and was subsequently diagnosed with Ebola. Soon thereafter, an NBC 4 New York/The Wall Street Journal/Marist Poll found that 82% of New Yorkers favored a “mandatory 21-day quarantine for anyone who has come in contact with an Ebola patient”. This poll included responses of 1,042 New York adults between Oct 26th and 28th, 2014. Poll ID NY141026 on maristpoll.marist.edu.

pew_energy_2018 $\to$ See the details for this data set above in the Section 5.1 data section.

Rosling questions $\to$ We noted much smaller samples than the Roslings’ describe in their book, Factfulness, The samples we describe are similar but not the same as the actual rates. The approximate rates for the correct answers for the two questions for (sometimes different) populations discussed in the book, as reported in Factfulness, are

• 80% of the world’s 1 year olds have been vaccinated against some disease: 13% get this correct (17% in the US). gapm.io/q9

• Number of children in the world in 2100: 9% correct. gapm.io/q5

Here are a few more questions and a rough percent of people who get them correct:

• In all low-income countries across the world today, how many girls finish primary school: 20%, 40%, or 60%? Answer: 60%. About 7% of people get this question correct. gapm.io/q1

• What is the life expectancy of the world today: 50 years, 60 years, or 70 years? Answer: 70 years. In the US, about 43% of people get this question correct. gapm.io/q4

• In 1996, tigers, giant pandas, and black rhinos were all listed as endangered. How many of these three species are more critically endangered today: two of them, one of them, none of them? Answer: none of them. About 7% of people get this question correct. gapm.io/q11

• How many people in the world have some access to electricity? 20%, 50%, 80%. Answer: 80%. About 22% of people get this correct. gapm.io/q12

For more information, check out the book, Factfulness.

pew_energy_2018 $\to$ See the details for this data set above in the Section 5.1 data section.

nuclear_survey $\to$ A simple random sample of 1,028 US adults in March 2013 found that 56% of US adults support nuclear arms reduction.
www.gallup.com/poll/161198/favor-russian-nuclear-arms-reductions.aspx

Car manufacturing $\to$ This example was made up.

stent30, stent365 $\to$ These data sets are described in Data Appendix B.1.