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Unformatted text preview: How to describe the data How to describe the data Two key aspects you will find in your Two key aspects you will find in your statistical analyses. statistical analyses. Central tendency Central tendency Dispersion (spread, variation) Dispersion (spread, variation) What we are talking about here are What we are talking about here are distributions distributions . . How to describe the data How to describe the data Youve often seen Youve often seen visual descriptions of visual descriptions of distributions. distributions. Yes 45% No 45% Ill have to get back to you 10% Pie Chart Do you like studying statistics? Bar Graphs Histograms Frequency Polygon How to describe the data How to describe the data Bar Graph Bar Graph 0% 10% 20% 30% 40% 50% 60% Democrat Republican Independent Percentage by party registration Here, a nominal variable (party registration) is displayed according to the percentage of participants reporting their registration....
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This note was uploaded on 11/05/2009 for the course MGMT 2100 taught by Professor Barryyoung during the Spring '09 term at Rensselaer Polytechnic Institute.
 Spring '09
 BarryYoung

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