Question

Yellowstone Park Medical Services provides emergency health care for park visitors. Such health care includes treatment for everything from indigestion and sunburn to more serious injuries. A recent issue of Yellowstone Today indicated that the average number of visitors treated each day was 21.7. The estimated standard deviation was 4.2.

For a 10-day summer period, the following data were obtained:

Day 1 2 3 4 5 6 7 8 9 10

Number treated 20 15 12 21 24 28 32 36 35 37

Answer 1