Go to Youtube and search for. We Were There - Polio You should see a video put out by the CDC. About 16 minutes into the presentation you'll find a table of data from a 1954 clinical trial of Inactivated Polio Vaccine Use the data to estimate the placebo effect in the study by estimating the Relative Risk of paralysis (placebo versus not inoculated), rounding off your final answer (but not the intermediate numerator and denominator computations) to the nearest hundredth
Go to Youtube and search for. We Were There - Polio You should see a video put out by the CDC. About 16 minutes into the presentation you'll find a table of data from a 1954 clinical trial of Inactivated Polio Vaccine Use the data to estimate the placebo effect in the study by estimating the Relative Risk of paralysis (placebo versus not inoculated), rounding off your final answer (but not the intermediate numerator and denominator computations) to the nearest hundredth
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Go to Youtube and search for. We Were There - Polio You should see a video put out by the CDC. About 16 minutes into the presentation
you'll find a table of data from a 1954 clinical trial of Inactivated Polio Vaccine. Use the data to estimate the placebo effect in the study by
estimating the Relative Risk of paralysis (placebo versus not inoculated), rounding off your final answer (but not the intermediate numerator and
denominator computations) to the nearest hundredth
Transcribed Image Text:1954 FIELD TRIAL OF IPV
vaccine >70% effective in prevention of paralytic poliomyelitis
Paralytic
Rate per
100,000
Vaccination
Population
Estimated
group
Cases
Efficacy
Vaccinated
201,000
33
16
72%
Placebo
201,000
339,000
115
57
Not
Inoculated
121
36
Francis T, et al. Evaluation of the 1954 field trial of poliomyelitis vaccine.
U of Michigan, Ann Arbor, 1957
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