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UID:10000550-1139875200-1139961599@www.newmoa.org
SUMMARY:Survey Design & Administration for Assistance & P2 Programs
DESCRIPTION:The webinar included the following presentations: \nAndrew Stoeckle\, ABT Associates\nSurvey Design & Administration \nTool to Estimate Sample Size Given a Specified Confidence Level That You Want to Achieve\, MA DEP\nThe user enters: \n\nWhether you want to be correct 80%\, 90%\, 95%\, 99% or what ever % of the time (the confidence interval)\nYour desired precision: the estimated true range of the answer (e.g.\, plus or minus 10%\, 20%\, 5%\, or whatever % you specify); this is called the error (example: a test score where the student got a 93 plus or minus 10 points)\nThe universe of facilities in the population\n\nWith all of that information\, the calculator tells you the minimum sample size you need. You can play around with the confidence interval and error to see how well you would do with a sample size you can afford. \nConfidence Interval Calculator Tool Calculates the Confidence Level of Your Result\, MA DEP\nThe user enters: \n\nYour results (e.g.\, 80% of the population answered yes)\nYour sample size\nThe universe of facilities in the population\nThe desired confidence interval (e.g.\, 95% sure you achieved a representative sample)\n\nWith all of that information the calculator tells you the precision you ended up with (e.g.\, my answer is 80% plus or minus 20) \nInformative Links\nhttp://www.statpac.com/surveys/\nhttp://www.surveysystem.com/sdesign.htm\nhttp://www.sysurvey.com/tips/arsham.htm#rwpoi
URL:https://www.newmoa.org/event/survey-design-administration-for-assistance-p2-programs/
CATEGORIES:Pollution Prevention
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