The data to the right are the annual numbers of deaths from floods in a certain country over a span of 21 years. Find the a) mean, b) median and quartiles, and c) range and IQR. 79 132 120 135 67 34 46 51 85 81 44 77 90 82 59 105 114 32 83 40 173 a) The mean is (Round to two decimal places as needed)