His list shows how many hours twenty batteries lasted when they ran continually in a flashlight. 78 31 47 51 16 58 60 10 30 40 46 63 65 10 93 22 13 47 64 93 what is the mean, median, and mode of the battery life data? a. mean: 47 median: 46.85 mode: 10, 47, 93 c. mean: 46.85 median: 47 mode: none b. mean: 46.85 median: 47 mode: 10, 47, 93 d. mean: 47 median: 46.85 mode: none