Saturday, October 31, 2009

Happy Halloween!


Which of the graphs gives the most detail? Which gives the least?

Which graph is easiest to read?

Which graph could you use to find out the number of pieces of candy the person got?

Friday, October 30, 2009

Bakersfield Weather


In which month does Bakersfield get the most precipitation? In which month does it get the least?

What do you think the red and blue lines represent on the first graph?

What relationship do you notice between the two graphs?

If you wanted to visit Bakersfield at the coolest possible time of year, when should you go?

Thursday, October 29, 2009

Baby Growth Charts

What differences you you notice between the CDC growth charts and the line of red dots?

How old would an 18 pound boy be if he is in the 50th percentile?

What is the range of normal weights for a 3 month old girl?

Wednesday, October 28, 2009

Internet Users by Country

Which county has the most Internet users? The least?

How many Internet users does Indonesia have?

Which countries have over 60,000,000 Internet users?

Tuesday, October 27, 2009


Approximately how many filings were there for bankruptcy in 1980? 1990? 2000?

What differences do you notice between consumer bankruptcy filings and business bankruptcy filings?

Use the information below to make a pie chart or bar chart of the % of filers who are couples, women filing alone, and men filing alone.

Bankruptcy Profiles
  • Average age: 38
  • 44% of filers are couples
  • 30% are women filing alone
  • 26% are men filing alone
  • Slightly better educated than the general population
  • Two out of three have lost a job
  • Half have experienced a serious health problem
  • Fewer than 9% have not suffered a job loss, medical event or divorce
  • Highest bankruptcy rates: Tennessee, Utah, Georgia, Alabama

Monday, October 26, 2009

Childhood Cancers

What types of childhood cancer have been generally decreasing over time?

What types of cancer are most common? Least?

Sunday, October 25, 2009

Physics Graduates Further Studies

What is the most common field of graduate study for students with a bachelor's degree in physics?

Saturday, October 24, 2009

Employment with a Physics Degree

What percentage people with bachelor's degrees in physics go to work in computer and information systems?

Using this chart, if 75 students graduate from a university with bachelors degrees in physics, how many of them would you expect to go into engineering jobs?

Friday, October 23, 2009

Google Flu Trends

This graph shows historical query-based flu estimates for different countries and regions compared against official influenza surveillance data.

United States Flu Activity
Influenza estimate  Google Flu Trends estimate  United States data

United States: Influenza-like illness (ILI) data provided publicly by the U.S. Centers for Disease Control.

Approximately how many cases of flu were there in 2005?

When were Google estimates of flu numbers closest to reported data?

When were Google estimates least accurate?

If you have time, is interesting as well.

Thursday, October 22, 2009


Which type of pie is preferred by 8% in this graph?

Which type of pie is most popular?

Wednesday, October 21, 2009

Sales vs Profit by Month

In which month were profits highest?

In which month were profits lowest?

Can you describe a relationship between profits and sales from this graph? 

Tuesday, October 20, 2009

US Average injuries + Fatalities per Passenger-Mile

US Average injuries + Fatalities per Passenger-Mile
(Averaged for 2002-2004)


RPR = Regional passenger rail ("commuter rail")
RRT = Rail rapid transit
LRT = Light rail transit
Bus = Public transit buses

Which form of transportation was safest from 2002-2004?

How many injuries and fatalities per passenger mile occurred in motor vehicles?

Monday, October 19, 2009

Mammograms by Ethnicity


Which group had the highest percentage of women getting mammograms in 2000?

Which group showed the most change in the number of women getting mammograms over the time period?

Sunday, October 18, 2009

Are Federal Employees Overpaid?


Approximately what percentage of federal employees earn between $25,000 and $50,000 per year?