who will win the next u.s. presidential election

what is the population
what is the sample

Question

who will win the next u.s. presidential election 

what is the population
what is the sample

perl · Answer

the population are all american voters.

anonymous · Answer

what would the sample?

perl · Answer

if you want to do a poll on who will win before the actual vote, a sample could be randomly selecting about 50 americans and asking who they will vote for.

anonymous · Answer

I have a another one. Is my well water safe?
Population: number of people that use a well
Sample: Testing different well to see if there safe

anonymous · Answer

@perl

perl · Answer

Population is all the possible data measured, so in this case the population is all the well water. 
Sample means testing just a certain amount of water .

perl · Answer

i'm assuming your asking is *your* well water safe. that means just your well , not other peoples wells

anonymous · Answer

yes am asking *your*