The Grand Canyon and the Colorado River are beautiful, rugged, and sometimes dangerous. Assume there is a physician at the park clinic in Grand Canyon Village. Suppose the physician has recorded (for a 5-year period) the number of visitor injuries at different landing points for commercial boat trips down the Colorado River in both the Upper and Lower Grand Canyon. Compute a 5% trimmed mean for Upper Canyon and Lower Canyon. Round your answer to the nearest thousandth.   Upper Canyon: Number of injuries per Landing Point Between North Canyon and Phantom Ranch 3 4 2 2 4 5 6 9 4 2 4 ​ Lower Canyon: Number of injuries per Landing Point Between Bright Angel and Lava Falls 8 2 2 0 6 7 3 15 4 0 2 14 3 2

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