74 89.80 93 64 67 72 70 66 85 89 81 81 71 74 82 85 63 72 81 81 95 84 81 a.) Find Stem and Leaf b.) Find 5 classes c.) Tally d.) Frequency e.) Relative Frequency f.) Histogram g.) Mean h.) Mode i.) Median j.) Range k.) Standard Deviation of the Sample 1.) Standard Deviation of the Population m.) Variance of the Sample n.) Variance of the Population