The Grand Canyon and the Colorado River are beautiful rugged and sometimes dangerous Thomas Myers is a physician at the park clinic in Grand Canyon Village Dr Myers 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 Source Fateful Journey by Myers Becker Stevens Upper Canyon Number of Injuries per Landing Point Between North Canyon and Phantom Ranch 2 3 1 1 3 4 693 13 Lower Canyon Number of Injuries per Landing Point Between Bright Angel and Lava Falls 8 1 1 0 6 7 2 14 3 0 1 13 2 1 a Compute the mean median and mode for injuries per landing point in the Upper Canyon Enter your answers to one decimal place mean median mode b Compute the mean median and mode for injuries per landing point in the Lower Canyon Enter your answers to one decimal place mean median mode c Compare the results of parts a and b O The Lower Canyon mean is greater while the median and mode are the same The mean median and mode are greater for the Upper Canyon O The Lower Canyon mean is greater while the median and mode are less O The mean median and mode are greater for the Lower Canyon d The Lower Canyon stretch had some extreme data values Compute a 5 trimmed mean for this region and compare this result to the mean for the Upper Canyon computed in part a Enter your answer to 2 decimal places O The trimmed mean is closer to the Upper Canyon mean