{"code":"C48918","name":"Variance","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":true,"active":true,"synonyms":[{"name":"Variance","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"caDSR"},{"name":"variance","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC-GLOSS"},{"name":"VARIANCE","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"Variance","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Variance","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"A measure of the variability in a sample or population. It is calculated as the mean squared deviation (MSD) of the individual values from their common mean. In calculating the MSD, the divisor n is commonly used for a population variance and the divisor n-1 for a sample variance.","code":"P97","type":"DEFINITION","source":"NCI"},{"definition":"A measure of the variability in a sample or population. It is calculated as the mean squared deviation (MSD) of the individual values from their common mean. In calculating the MSD, the divisor n is commonly used for a population variance and the divisor n-1 for a sample variance.","code":"P325","type":"ALT_DEFINITION","source":"CDISC-GLOSS"},{"definition":"A measure of the variability in a sample or population. It is calculated as the mean squared deviation (MSD) of the individual values from their common mean. In calculating the MSD, the divisor n is commonly used for a population variance and the divisor n-1 for a sample variance. (CDISC Glossary)","code":"P325","type":"ALT_DEFINITION","source":"CDISC"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CDISC"},{"code":"P322","type":"Contributing_Source","value":"CDISC-GLOSS"},{"code":"P366","type":"Legacy Concept Name","value":"Variance"},{"code":"P106","type":"Semantic_Type","value":"Qualitative Concept"},{"code":"P207","type":"UMLS_CUI","value":"C1711260"}]}