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Instruction 3-4
The ordered array below represents the number of cargo manifests approved by customs inspectors at the Port
of Brisbane in a sample of 35 days.
16,17,18,18,19,20,20,21,21,21,22,22,22,22,23,23,23,23,24,24,24,25,25,26,26,26,27,28,28,29,29,31,31,32,32
Note: For this sample,the sum of the observations is 838,the sum of the squares of the observations is 20,684,
and the sum of the squared differences between each observation and the mean is 619.89.
-Referring to Instruction 3-4,the standard deviation of the customs data is ________.
Genetic Component
The portion of variation in a trait within a population that is attributable to genetic differences among individuals.
Concordance Rates
The statistical measure used in genetics to indicate the likelihood that both individuals in a pair (typically twins) will exhibit the same trait or disorder.
Identical Twins
Twins who develop from a single fertilized egg that splits into two, sharing 100% of their DNA.
Fraternal Twins
Fraternal twins are siblings born at the same time as a result of two different eggs fertilized by two different sperm, sharing about 50% of their genes.
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