In the unimodal case, if the distribution is positively skewed then the probability density function has a long tail to the right, and if the distribution is negatively skewed then the probability density function has a long tail to the left. A symmetric distribution is unskewed.
The current legal age limit to play paintball in New South Wales is 16 years of age, although Delta Force is backing the AUPBAâs petition for a standardised national minimum age of 12 years old.
But Susan Elliott, a spokeswoman for Delta, which is among those airlines with a higher upper age limit (children cannot fly alone until age 15), says she believes the airlineâs age parameters are appropriate.