Finding Data with Impact
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Transcript of Finding Data with Impact
BREAK THROUGH
WITH DATA
Drive your
mission forward
by building credibility
& engaging your audience
Flickr – Jason Mrachina
1 Finding Data with Impact
@WCA4KIDS #NFPSUMMIT
2 Presenting Data with Punch
3 Driving Advocacy with Data
Other Sources Child Data
nyskwic.org datacenter.kidscount.org
Education
data.nysed.gov ocrdata.ed.gov
Health health.westchestergov.com/statistics health.ny.gov/statistics/
Economy bls.gov
@WCA4KIDS #NFPSUMMIT
DATA TRAPS
THERE ARE TWO KINDS OF STATISTICS,
THE KIND YOU LOOK UP & THE KIND YOU MAKE UP.
-REX STOUT, DEATH OF A DOXY
@WCA4KIDS #NFPSUMMIT
Source: Opinions Dynamic via Fox News
2012 Presidential Election – GOP Candidates
70%
63%
60%
Back Palin Back Huckabee Back Romney
@WCA4KIDS #NFPSUMMIT
The Problem with Surveys •Leading questions
•People like to say they’re good
•Majority of surveys are based on samples
@WCA4KIDS #NFPSUMMIT
What’s a Sample? •A sample is a subset of a population.
•It is ideally a representative of the population.
@WCA4KIDS #NFPSUMMIT
Children Under Age 5 in Poverty
in Greenburgh Town
Guess
Male ???
Female ???
One Year Estimates
0
170
Five Year Estimates
99
92
2013 One Year Estimates
2009-13 Five Year Estimates
American Community Survey, Table B17001
@WCA4KIDS #NFPSUMMIT
Margin of Error the amount by which you expect your results to vary, if a different sample were taken.
@WCA4KIDS #NFPSUMMIT
One Year Estimates
Margin of Error
Male 0 ±193
Female 170 ±233
Five Year Estimates
Margin of Error
Male 99 ±71
Female 92 ±78
Children Under Age 5 in Poverty in Greenburgh Town
@WCA4KIDS #NFPSUMMIT
2013 One Year Estimates
2009-13 Five Year Estimates
American Community Survey, Table B17001
-193
-63
193
403
0
170
-300
-200
-100
0
100
200
300
400
500
Male Female
One Year Estimates
@WCA4KIDS #NFPSUMMIT
28 14
99 92
-300
-200
-100
0
100
200
300
400
500
Male Female
Five Year Estimates
170 170
@WCA4KIDS #NFPSUMMIT
Smaller Samples
LARGER MARGIN OF ERROR
-193
-63
193
403
0
170
-300
-200
-100
0
100
200
300
400
500
Male Female
One Year Estimates
@WCA4KIDS #NFPSUMMIT
Smaller Margin of Error LARGER SAMPLES
28 14
99 92
-300
-200
-100
0
100
200
300
400
500
Male Female
Five Year Estimates
170 170
@WCA4KIDS #NFPSUMMIT
Less “confident” estimates •Communities with smaller populations
•Subgroups (ex. Gender, Race, Age)
•Surveys that sample across shorter time periods
@WCA4KIDS #NFPSUMMIT