I think variance is definitely a concept in lottery gambling affairs. In gambling, variance refers to the ups and downs of a player's winnings or losses. In lottery gambling, variance refers to the swings in the number of tickets a player buys and the amount of money they spend vs. the amount of money they win. A player's variance in the lottery can be affected by many factors, including the size of the jackpot, the odds of winning, and the number of people playing.