Which of the following is closest to the sample standard deviation of the data set shown below? {13, 14, 17, 22, 26, 30, 31}

(1) 5.2
(3) 7.4
(2) 6.1
(4) 8.3

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

hope this .