Its more of a religious reason... Hinduism believes that the soul and body are separate ... While some other religions believe that the soul and body are doubles ... if the body is hurt, the soul is hurt ...
DEFINITION of 'Confidence Interval'. A term used in inferential statistics that measures the probability that a population parameter will fall between two set values. The confidence interval can take any number of probabilities, with the most common being 95% or 99%. Next Up.
The confidence level indicates the degree of confidence that the statistical result did not occur by chance or by sampling error. The customary confidence level in many statistical tests is 95%, leading to a customary significance level or p-value of 5%.