{
"package" : "hl7.terminology.r5@6.3.0",
"definition" : "Used to describe the quotient of a normal random variable and the square root of a c2 random variable. The t-distribution has one parameter n, the number of degrees of freedom. The relationship to mean m and variance s2 are: m = 0 and s2 = n / (n - 2)",
"system" : "http://terminology.hl7.org/CodeSystem/v3-ProbabilityDistributionType",
"property" : [ {
"_uri" : "http://hl7.org/fhir/concept-properties#status",
"code" : "status",
"valueCode" : "active"
}, {
"_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id",
"code" : "internalId",
"valueCode" : "10754"
} ],
"codesystem" : "6b6f63e4-151d-5867-ab60-161768aa008f",
"concept_id" : "8b8e04ab-b8c5-58af-89e8-2b04ff358910",
"ancestors" : {
"T" : 0
},
"id" : "f6d7c182-095f-44f7-9ebd-ace2233db9c9",
"code" : "T",
"display" : "T",
"version" : "3.0.0"
}