add three numbers to the following data set so that the mean and the median of the set increase to 42. the numbers in the data set are 25, 29, 31, 32, 33, 34, 35, 36, 37, 39, 39, 40, 41, 41, 41, 41 42, 43, 43, 45, 45, 46, 46, 46, 47, 47, 48, 49, 49, 50.

Alength on a map is 7.5 inches. thescale is 1 inch: 5 miles. what is theactual distance? a 1.5 miles c 12.5 milesb 2.5 miles d 37.5 miles

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?

The cost of turkey is directly proportional to its weight. if a 12-pount turkey costs $27, how much does a 16-pound turkey cost? a. $33.75 b. $36.00 c. $31.00 d. $32.50