{
  "package" : "hl7.terminology@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" : "bb526314-905c-5b99-b5d7-f5ac37875342",
  "concept_id" : "8b8e04ab-b8c5-58af-89e8-2b04ff358910",
  "ancestors" : {
    "T" : 0
  },
  "id" : "23bd16dc-cfa4-487b-87b3-62f126f4f1c2",
  "code" : "T",
  "display" : "T",
  "version" : "3.0.0"
}