Download - Data Presentation and Interpretation
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Data Presentation &Interpretation
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Summarizing data
Tables
Simplest way to summarize data
Data are presented as absolute numbers or
percentages
Charts and graphs
Visual representation of data
Data are presented as absolute numbers orpercentages
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Basic guidance when
summarizing data
Ensure graphic has a title
Label the components of your graphic
Indicate source of data with date
Proide number of obserations !n"##$ as a
reference point
%dd footnote if more information is needed
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Tables: Frequency distribution
ear !umber o" births&'(( )&
&'(& *+
&'(, -*
Set of categories with numerical counts
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Tables: #elati$e "requency
number of alues within an interal
total number of alues in the table
ear % births n' #elati$e "requency ('
&'((.&'(' /* ,-
&'&(.&'&' 0) /0
&',(.&',' *& /'Total &/, &((1(
# &((
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Tables
ear !umber o" birthsn'
#elati$e "requency('
&'((.&'(' /* ,-
&'&(.&'&' 0) /0
&',(.&',' *& /'
Total &/, &((1(
Percentage o" births by decade between )*++ and )*,*
Source2 31S1 Census data4 &'((.&','1
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-harts and graphs
Charts and graphs are used to portray2
Trends4 relationships4 and comparisons
The most informatie are simple and self5
e#planatory
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.se the right type o" graphic
Charts and graphs
6ar chart2 comparisons4 categories of data
Line graph2 display trends oer time
Pie chart2 show percentages or proportional
share
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Bar chartComparing categories
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Percentage o" new enrollees tested "or /I0 at each
site1 by quarter
7& 8an.9ar 7, %pr.8une 7/ 8uly.Sept 70 :ct.Dec
Data Source2 Program records4 %IDS ;elief4 8anuary ,((' . December ,(('1rce2
7uarterly Country Summary2
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/as the program met its goal2
Percentage o" new enrollees tested "or /I0 at each site1 byquarter
Data Source2 Program records4 %IDS ;elief4 8anuary ,((' . December ,(('11
=uarterly Country Summary2
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Stac3ed bar chart#epresent components o" whole & compare wholes
IV care
!umber o" 4onths Female and 4ale Patients /a$e Been
5nrolled in /I0 -are1 by 6ge 7roup
Data source2 %IDS;elief program records 8anuary ,((' 5 ,((&&
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8ine graph
!umber o" -linicians 9or3ing in 5ach -linic During ears );