Shown below is 2 x 3 contingency table with observed values from a sample of 500. At 95% confidence using the critical value approach, test for independence of the row and column factors.
Definitions:
Extraversion
A personality trait characterized by sociability, talkativeness, assertiveness, and high amounts of emotional expressiveness.
Phenotypic
Pertaining to the observable physical or biochemical characteristics of an organism as determined by both genetic makeup and environmental influences.
Heritability
Heritability is the proportion of observed differences in a particular trait among individuals within a population that is due to genetic differences.
Calculating Heritability
The process of estimating the proportion of variance in a population's trait which can be attributed to genetic factors.
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