How long are the longest space flights for US astronauts? What is it like to spend a year (or two?!) in space?
Tag: estimating values
Percentage of Adults Earning More than $100,000 per year — by race and immigration status
How does earning potential compare when you break down the information by race? ...by immigration status? ...both?
Race of Academy Award Winners in Big 5 Categories
Michelle Yeoh's win for Best Actress at the 2023 Academy Awards marked the first time an Asian actress took home that trophy! This graph tracks wins in the Oscar's Big Five categories. What data would we want to determine exactly how underrepresented people in these groups are?
Age of Olympic Gymnastics All-Around Champions (By Gender)
How old are Olympic gymnastics "all around" champions? What statistical questions can this representation answer? What can't it answer?
Boxed Mac & Cheese Sales in the US
Americans spend millions on dried mac 'n' cheese mixes per year. How do the sales of selected brands compare?
Americans’ Familiarity with Juneteenth (2021)
It's almost Juneteenth! How many Americans are familiar with the history of Juneteenth? Does it influence whether people think it should be a federal holiday? How does this break down by race?
Comparing the Number of Fires with the Amount of Emissions in Canadian Fires (2002-2019)
The number of yearly wildfires in Canada has stayed about the same or decreased. So why is the total yearly emissions from wildfires increasing dramatically?
Fires in Canada (2002-2019): Number of Fires and Number of Acres Burned
Smoke from the Canadian fires are impacting people across North America. Have we hit peak fire season yet?
The Cities with the Greatest Number of Skyscrapers
Which cities around the world have the greatest number of skyscrapers? Why do you think that is?
The Number of Female CEOs Is Rising
In 2015, there were more CEOs of S&P 500 companies named John or Jon than there were CEOs that were women. How has this changed in the years since?
The Arctic Ice Cover is Receding
The Arctic sea ice cover grows and shrinks over the course of the year, but it's typically at its greatest coverage during the month of March. How does this look from year to year? How can data encourage us to take action?
History of Calculating π: Number of Accurate Digits
It's almost π day (3/14 in the US)! Some people like to try to memorize π. Is it possible for them to memorize all the known digits? How many digits ARE known, and how has our knowledge of π changed over time?
The Length of the Skating Season on the Rideau Canal Skateway (Ottawa)
Every year, Ottawa's Rideau Canal Skateway (a UNESCO world heritage site) is host the world's longest skateway! But not in 2023. How unusual is this? How long have other seasons been? (slow reveal by @scottwestwell)
Heartbeats per Minute and Body Weight of Different Species
What do you notice about the relationship between the size of an animal the number of heartbeats it has per minute?
Ozone Depleting Substance Emissions, 1960-2016
Finally: a climate crisis success story! Why don't we hear about the ozone anymore? And what caused the ozone-depleting substance emissions to dramatically decrease across the world?
Comparing Career Points Scored with Minutes Played of Top 100 Active NBA Scorers (as of Jan 31, 2023)
How does the number of points NBA players score compare with their number of minutes played? Who has the most impressive ratio to minutes to points?
Sales-per-store for Fast Food Franchises in the US
Some fast food places seem like they are everywhere! Walk another block in the city, and you hit another one. Are they all profitable? Which franchises are the most profitable fast food businesses per location?
The Income You Need to Purchase a Home in Canada
How much income do you need to purchase a home in Canada? And can a typical family afford the typical home? (graph from Mandy Lam/@datawithprofmandy on insta)
Length of Compulsory Military Service in Selected Countries
How long is compulsory military service? And why is Taiwan extending the length of conscription next year?
Earth Overshoot Day (1971-2022)
Earth Overshoot Day marks the date when humanity has used all the biological resources that Earth regenerates during the entire year. When was Earth Overshoot Day in 1971? ...2022? And how has it changed over time?