BI226 Lecture 53: Lecture 53 Fall 2019

in our online lecture we include a quote by E. O. Wilson,

I was watching a lecture by Richard Dawkins earlier today and hementioned that

A study was carried out by the cancer registrar regarding theage at initial diagnosis of patients diagnosed with lung cancer. Atotal of 80 cases were recorded as follows: Ages: 85 83 82 81 80 8078 76 75 75 74 74 73 73 72 72 72 71 71 70 70 70 70 69 68 68 67 6767 67 66 66 66 66 66 65 65 65 64 64 63 63 63 62 62 61 61 61 60 6059 59 59 58 58 57 57 57 56 56 55 55 53 53 52 51 49 49 48 47 46 4545 44 42 40 39 38 35 29 Calculate: a. Range b. From an ungrouped(intervalsize1) distribution, calculate: (1) mean (2) median (3)mode (4) variance (5) standard deviation