In gym class 8 students ran the 100m – the times recorded in seconds are shown below 15.61, 19.34, 16.1, 16.88, 17.13, 14.56, 26, 16.27 which would be the best to measure the average of the distances of the times from the mean time

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?