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Expected value
(redirected from Expected number)

    Also found in: Wikipedia, Hutchinson 0.07 sec.
Expected value
The weighted average of a probability distribution. Also known as the mean value.


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An SMR is the ratio of observed number of cases to expected number of cases.
Investigation of a cluster of multiple sclerosis in two elementary ... by Garabedian, Matthew / Journal of Environmental Health
The observed number of cases in Lauenburg during 1990-1998 is very close to the expected number derived when using national referent rates (SIR = 1.
Childhood leukemia in the vicinity of the Geesthacht nuclear ... by Richardson, David B. / Environmental Health Perspectives
The expected number in that time period for the census tract is less than one.
Pollution, cancers get a second look by The Register-Guard (Eugene, OR)
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