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Do income and education level have an impact on the number o

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Kurtis Adei

on 9 November 2015

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Transcript of Do income and education level have an impact on the number o

Are income and education level related to the number of motor vehicle accidents per year?
The Data
U.S. 1995- 2009
Annual motor vehicle accidents
(in millions)
Independent variables
Per capita income
All races
In terms of 2014 dollars
Education level
Total annual undergraduate enrollment in degree-granting post secondary institutions
Motivation: understand if socioeconomic factors have an impact on car accidents and if they can be reduced via said factors
Some Statistical Tools
Linear regression
P value
coefficients
R squared value
Thank you !
Does the U.S. average income level and education level correlate to its rate of car crashes?
Dependent variable
MVaccidents = 17.6152 -0000021Enroll + .0004796Income
Null: No relationship between IV and DV
Conclusions
Regression shows 22.93% of MV accidents can be explained by U.S education level and per capita income
Multi-colinearity
Adjusted R square implies even poorer correlation
Overall data is very inconclusive
Many confounding factors behind income and education skewing data
Choose different measures of education and income levels
What other socioeconomic factors to explore? Race? Parent education level? Living environment? Siblings?
Sources:


"Reference Tables." The Condition of Education. NCES, n.d. Web. 09 Nov. 2015. <http://nces.ed.gov/programs/coe/current_tables.asp>.


"Income." Historical Tables. US Census Bureau, n.d. Web. 09 Nov. 2015. <https://www.census.gov/hhes/www/income/data/historical/people/>

"Section 23. Transportation." Section 23. Transportation. US Census Bureau, n.d. Web. 09 Nov. 2015. <https://www.census.gov/library/publications/2011/compendia/statab/131ed/transportation.html>.



By Kurtis Adei
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