What is the outlier in this set: 1, 2, 3, 4, 5, 6, 7, 8, 1000 (i know the outlier is 1000) what is the best measure of center and spread in this case? (i'm thinking that the best measure of center is the median, but i don't understand the 'spread' part and how to find it.)

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.