If the standard deviation of a population increases, what else must necessarily increase? (1 point) the population's mean the population's median the population's mode the population's variance

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Asequence is a function whose is the set of natural numbers