
Data sets shared by StatCrunch members
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Flight Delay Data For July 2014
This data set contains information on the flight delays for each airline at each U.S. airport in July of 2014. The columns include the carrier, airport city/state, airport code, airport name, total number of flights (Flights), the number of delayed flights (Delayed), the number of cancelled flights (Cancelled), the number of diverted flights (Diverted), the number of ontime flights (Ontime), and the ontime percentage (Ontime Percentage).  statcrunch_featured  Jan 2, 2018  88KB  6359 
US Workforce Participation
This data primarily comes from two sources: Federal Reserve Bank of St. Louis and the US Bureau of Labor Statistics .
Column  Description  Year  The calendar year for each value  Annual Average Workforce Participation  Defined by the Bureau of Labor Statistics as "the percentage of the population [16 years and older] that is either employed or unemployed (that is, either working or actively seeking work). Note that 2015's Annual Average is calculated using the first 11 months."  Male Workforce Participation Rate  Annual workforce participation rate for males.  Female Workforce Participation Rate  Annual workforce participation rate for females.  Male Inactivity Rate Aged 2554  Defined as the proportion of the male population aged 2554 that is not in the labour force. Common reasons for leaving labour force: college, retirement, stay at home, can't find work and no longer try.  Change in Rate (Male Inactivity Rate Aged 2554)  The change in the inactivity rate calculated as the current year minus the previous year.  Female Inactivity Rate Aged 2554  Defined as the proportion of the female population aged 2554 that is not in the labour force.  Change in Rate (Female Inactivity Rate Aged 2554)  The change in the inactivity rate calculated as the current year minus the previous year.  Presidential Control  Political party of president.  Senate Control  Political party of the Senate majority  House Control  Political party of the House of Representatives majority.  Legislative Branch (House and Senate)  Combined control of Senate and House of Representativs 
 statcrunch_featured  Jun 27, 2017  10KB  2841 
2014 MLB Top 100 Batters
This data came from ESPN.com and has the top 100 batters by WAR (wins above replacement).
AB: At bats
R: Runs
H: Hits
2B: Doubles
3B: Triples
RBI: Runs batted in
SB: Stolen Bases
BB: Walks
SO: Strikeouts
AVG: Batting average
OBP: On Base Percentage
SLG: Slugging Percentage
OPS: OBP + SLG
WAR: Wins Above Replacement  statcrunch_featured  Apr 3, 2017  9KB  3778 
US Presidential Election History
This dataset tracks the US presidential election results dating back to 1824. Included is the winning candidate, winning party, popular voting totals, margin of victory, and the electoral college totals. Also included is the name and party of the runnerup along with the percentage of all eligible voters that turned out for the election (Voter Turnout Percentage).  statcrunch_featured  Feb 20, 2018  5KB  2704 
US States Population Change 2010
This data set comes from the 2010 US Census. The states are ranked by their total population on 2010. Percent change is calculated by taking the change in population (20102000) divided by the 2000 population.
This data set was pulled into StatCrunch using StatCrunchThis from http://en.wikipedia.org/wiki/2010_United_States_Census.  statcrunch_featured  Jan 2, 2018  2KB  3158 
Cereal Brands
Data on several variable of different brands of cereal. Number of cases: 77 Variable Names: Name: Name of cereal mfr: Manufacturer of cereal where A = American Home Food Products; G = General Mills; K = Kelloggs; N = Nabisco; P = Post; Q = Quaker Oats; R = Ralston Purina type: cold or hot calories: calories per serving protein: grams of protein fat: grams of fat sodium: milligrams of sodium fiber: grams of dietary fiber carbo: grams of complex carbohydrates sugars: grams of sugars potass: milligrams of potassium vitamins: vitamins and minerals  0, 25, or 100, indicating the typical percentage of FDA recommended shelf: display shelf (1, 2, or 3, counting from the floor) weight: weight in ounces of one serving cups: number of cups in one serving rating: a rating of the cereals  statcrunch_featured  Apr 3, 2017  4KB  7594 
under 21 fatal accidents
As part of a study on transportation safety, the USDOT collected data on the number of fatal accidents per 1000 licenses and the percentage of licensed drivers under the age of 21 in a sample of 25 cities. Data was collected over a oneyear period.  m.smith96  May 6, 2019  286B  308 
cell_phones.xls
Q1. Based on a recent study, roughly 80% of college students in the U.S. own a cell phone. Do the data provide evidence that the proportion of students who own cell phones in this university is lower than the national figure?
Answer. Most likely not. Ownership of cellphones and ratios do not depend on anything.
Relevant Variables  The cell is the relevant variable and it is categorical.
Analyze Data  The formal analysis of Q1 will pinpoint on searching the population proportion. The correct statistical test is the one sample ztest for the proportion.
Null Hypothesis  Ho: p = 8
Alternative Hypothesis  Ha: p < .8
Outcomes: Cell
Success: yes
Test stat z = .71, pvalue is .239 > .05, so Ho cannot be rejected.
Roughly 78% of the students sampled own a cellphone. Even though 78% percent is less than 80%, there is not enough support to conclude that the exact data holds right for the whole college or that it would be different from the national proportion.  faithnwanne  May 3, 2019  8KB  380 
Attendance Vs. Grade
Compares percent of classes attended with final grade in the class.
If you use % missed as the independent variable, you end up with a regression model that allows for interpretation of the intercept and has a negative slope.  lbgreen  Jan 28, 2019  744B  1175 
US Counties and Presidential Voting Dataset
Sampling Unit county
3141 observations and 19 variables, maximum # NAs:2956
Name
county  County
state  State
msa  Metropolitan Statistical Area
pmsa  Primary Metropolitan Statistical Area
pop.density  1992 pop per 1990 miles^2
pop  1990 population
pop.change  Percent population change 19801992
age6574  Percent age 6574, 1990
age75  Percent age >= 75, 1990
crime  serious crimes per 100,000 1991
college  Percent with bachelor's degree or higher of those
age>=25
income  median family income, 1989 dollars
farm  farm population, % of total, 1990
democrat  Percent votes cast for democratic president
republican  Percent votes cast for republican president
Perot  Percent votes cast for Ross Perot
white  Percent white, 1990
black  Percent black, 1990
turnout  1992 votes for president / 1990 pop x 100  craig_slinkman  Apr 12, 2011  755KB  2244 
Times World University Rankings (20112016)
This data comes from the annual Times magazine rankings of universities across the world. The webpage for the Times 2016 rankings is listed above in the source.
The formula for the 2016 rankings is as follows: 30% for Teaching Rating 7.5% for International Outlook Rating 30% for Research Rating 30% for Citations Rating 2.5% for Industry Income Rating. The “Total Score” from 2016 can be recreated using this formula.
Column  Description  World_Rank  University rank for a given year 
University_Name  The name of the university 
Country  Location of university 
Teaching_Rating  Rating from a 0100 scale of the quality of teaching at the university. This rating is based on the institution’s reputation for teaching, it’s student/staff ratio, it’s PhD’s/ undergraduate degrees awarded ratio, and it’s institutional income/ academic staff ratio. 
Inter_Outlook_Rating  Rating from a 0100 scale of the international makeup of a university. This rating is based the international student percentage, international staff percentage, and the percentage of research papers from the university that include at least one international author. 
Research_Rating  Rating from a 0100 scale of quality of research at the university. This rating is based on the university’s reputation, it’s research income/ academic staff ratio, and it’s production of scholarly papers. 
Citations_Rating  Rating from a 0100 scale of based on the normalized average of citations by other papers per paper from the university (how often the research from the university is cited by other papers). 
Industry_Income_Rating  Rating from a 0100 scale grading how much companies are willing to invest in the universities research. The rating is calculated based on the research income from businesses per academic staff member. 
Total_Score  The final score used to determine the university ranking based on Teaching_Rating, International_Outlook_Rating, Research_Rating, Citations_Rating, and Industrial_Income_Rating. 
Num_Students  Total number of students in a given year 
Student/Staff_Ratio  Number of students per academic staff member 
%_Inter_Students  Percentage of student body who come from a foreign county 
%_Female_Students  Percentage of student body that is female. 
Year  Academic year that the ranking was released. For example, 2016 denotes the 20152016 academic year. 
 statcrunchhelp  Apr 5, 2016  254KB  3979 
Flight Delay Data For July 2014
This data set contains information on the flight delays for each airline at each U.S. airport in July of 2014. The columns include the carrier, airport city/state, airport code, airport name, total number of flights (Flights), the number of delayed flights (Delayed), the number of cancelled flights (Cancelled), the number of diverted flights (Diverted), the number of ontime flights (Ontime), and the ontime percentage (Ontime Percentage).  websterwest  Oct 3, 2014  88KB  1765 
U.S. House Candidates Fund Raising (InDistrict vs OutofDistrict)
This data set contains each candidate's name, party affiliation, state/district of race, total funds raised, funds raised indistrict, funds raised outofdistrict, funds raised with no district information, percentage of funds raised indistrict and percentage of funds raised outofdistrict.  websterwest  Dec 2, 2014  54KB  1441 
% voting for Obama and other state statistics
This data set has over 100 statistics (current for 201011) for U.S. states obtained from Measure of America. Each state's percentage voting for President Obama in 2012 has been added. Which of the original variables is most highly correlated with this voting percentage? How does this data match the ideas provided by political pundits? See the source for a complete description of all variables.  websterwest  Feb 16, 2013  36KB  6435 
Advanced NBA Statistics for 20132014 Season
N = 342; only players with at least 40 games played are included.
These are advanced metrics which attempt to evaluate, relatively speaking, how good an NBA basketball player was during the 20132014 (in which Kevin Durant won the MVP Award).
Variables..........Position  what position did they play?..... Age  How old was the player as of February 1, 2014?..... Team  Obvious..... PER  Player Efficiency Rating; a measure of perminute production standardized such that the league average is 15.....
TS  True Shooting Percentage; a measure of shooting effeciency that takes into account 2point field goals, 3point field goals, and free throws.....
ORB  Offensive Rebound Percentage; an estimate of the percentage of available offensive rebounds a player grabbed while he was on the floor.....
DRB  Defensive Rebound Percentage; an estimate of the percentage of available defensive rebounds a player grabbed while he was on the floor.....
TRB  Total Rebound Percentage; an estimate of the percentage of available rebounds a player grabbed while he was on the floor.....
AST  Assist Percentage; an estimate of the percentage of teammate field goals a player assisted while he was on the floor.....
STL  Steal Percentage; an estimate of the percentage of opponent possessions that end with a steal by the player while he was on the floor.....
BLK  Block Percentage; an estimate of the percentage of opponent twopoint field goal attempts blocked by the player while he was on the floor.....
TOV  Turnover Percentage; an estimate of turnovers per 100 plays.....
USG  Usage Percentage; an estimate of the percentage of team plays used by a player while he was on the floor.....
ORtg  Offensive Rating: An estimate of points produced (players) or scored (teams) per 100 possessions.....
DRtg  Defensive Rating: An estimate of points allowed per 100 possessions.....
OWS  Offensive Win Shares; an estimate of the number of wins contributed by a player due to his offense.....
DWS  Defensive Win Shares; an estimate of the number of wins contributed by a player due to his defense.....
WS  Win Shares; an estimate of the number of wins contributed by a player.
 daniel.inghram  May 22, 2014  33KB  3953 

