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C of C - PBHL 395 - Class Notes - Week 8

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C of C - PBHL 395 - Class Notes - Week 8

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background image 9/19/2016 Exam 2 | Evernote Web 5/10 lambda = mean # of events     ­key words: average, mean, expected x= random # we're interested in ***Cumulative Probability: If you want to know the probability of 7 rooms or less, you would calculate: Pr(7) + Pr(6)
+ Pr(5) + Pr (4) + Pr(3) + Pr(2) + Pr(1) + Pr(0)
Screening Tests: Sensitivity, Specificity,
Positive Predictive Value, Negative
Predictive Value
Sensitivity  of screening tests: probability test in positive given that the disease is positive.  ACCURACY How good is the test at detecting the diseaseFormula: Pr(T+|D+) True positives       Interpretation: This _______ screening test will detect actual cases of __________     ## % of the time. Specificity  of screening tests: probability test is negative given that the disease is negative.  ACCURACY How good is the test at detecting those w/o the disease True negatives       Formula: Pr(T­|D­)
Interpretation: A negative result from this ________ screening test will indicate
that you do not have ________  ## % of the time. Positive Predictive Value of a Screening Test  PREDICTION probability of having the condition given a positive screening test
2 numbers on the top, 4 on the bottom     
Interpretation: There is a 
## % chance that you have a condition given a positive result from the screening test.

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School: College of Charleston
Department: Public Health
Course: Biostatistics
Professor: Hart
Term: Fall 2016
Name: Week 5, Biostats
Description: This note is for one week. ------------------------------- I have completed study guides for Exam 1 and 2!!... Entitled: ***Biostatistics Exam 1 Full ***Biostatistics Exam 2 Full I did very well in the course by creating and using these in depth notes. Good luck!
Uploaded: 09/19/2016
1 Pages 9 Views 7 Unlocks
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