The director of a local summer camp is interested in the number of hours kids spend on screens each week. He surveys a group of 15 kids at his camp and asks them how many hours they spent on screens last week. A list of his results follows. What is the mean number of hours spent on screens for the kids he surveyed? Round your answer to the nearest tenth.

Question

{0,7,8,8,10,11,14,15,17,17.5,18,18,18,20,30} (1 point)

Answer 1

Mean = (0+7+8+8+10+11+14+15+17+17.5+18+18+18+20+30) / 15 = 174.5 / 15 ≈ 11.6

The mean number of hours spent on screens for the kids he surveyed is approximately 11.6 hours.