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by: A Jones

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# Week 5, Biostats Heal 395

A Jones
C of C
GPA 3.5

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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 d...
COURSE
Biostatistics
PROF.
Hart
TYPE
Class Notes
PAGES
1
WORDS
KARMA
25 ?

## Popular in Public Health

This 1 page Class Notes was uploaded by A Jones on Monday September 19, 2016. The Class Notes belongs to Heal 395 at College of Charleston taught by Hart in Fall 2016. Since its upload, it has received 4 views. For similar materials see Biostatistics in Public Health at College of Charleston.

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Date Created: 09/19/16
9/19/2016 Exam 2 | Evernote Web 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. https://www.evernote.com/Home.action#n=f1c2beec­f601­42cf­abe1­1595d1fe041f&b=3e793d12­ce5/108b5­aeeb­12b02ed6bc73&ses=4&sh=1&sds=5&

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