统计描述的Stata实现.doc

统计描述例21 某市1982年调查120名20岁男子的身高（cm）资料如下，试编制频数表。 164.4 169.2 174.7 175.0 165.0 162.8 170.2 160.1 170.9 170.1 175.5 170.3 172.3 168.2 166.7 171.7 166.8 171.6 165.2 172.0 171.7 168.8 171.8 174.5 171.7 172.7 166.3 174.0 169.0 174.5 171.8 174.9 180.0 173.5 178.1 169.7 176.1 181.3 173.8 164.7 172.2 172.8 178.6 172.0 182.5 172.0 173.5 166.3 176.1 169.2 176.4 168.4 171.0 169.1 166.9 181.1 170.4 165.2 168.0 172.4 164.3 166.9 176.4 164.2 177.2 168.3 177.8 173.0 167.4 173.2 169.9 172.1 170.4 174.8 172.1 164.4 170.5 165.0 172.8 166.8 175.8 171.1 174.8 172.7 169.4 178.2 174.1 177.2 170.0 172.7 168.3 177.1 172.5 166.3 175.1 174.4 162.3 171.3 177.0 163.5 168.8 177.6 175.2 171.5 172.5 179.1 172.6 184.8 168.3 182.8 170.3 167.5 171.2 170.4 166.9 178.5 164.1 169.5 173.4 170.3 数据格式如下： 　 x 1 164.4 2 175.5 3 171.7 4 171.8 5 172.2 6 176.4 7 164.3 8 169.9 9 175.8 10 168.3 11 168.8 12 170.3 13 169.2 14 170.3 15 168.8 16 174.9 17 172.8 18 168.4 19 166.9 20 172.1 21 171.1 22 177.1 23 177.6 24 167.5 25 174.7 26 172.3 27 171.8 28 180 29 178.6 30 171 31 176.4 32 170.4 33 174.8 34 172.5 35 175.2 36 171.2 37 175 38 168.2 39 174.5 40 173.5 41 172 42 169.1 43 164.2 44 174.8 45 172.7 46 166.3 47 171.5 48 170.4 49 165 50 166.7 51 171.7 52 178.1 53 182.5 54 166.9 55 177.2 56 172.1 57 169.4 58 175.1 59 172.5 60 166.9 61 162.8 62 171.7 63 172.7 64 169.7 65 172 66 181.1 67 168.3 68 164.4 69 178.2 70 174.4 71 179.1 72 178.5 73 170.2 74 166.8 75 166.3 76 176.1 77 173.5 78 170.4 79 177.8 80 170.5 81 174.1 82 162.3 83 172.6 84 164.1 85 160.1 86 171.6 87 174 88 181.3 89 166.3 90 165.2 91 173 92 165 93 177.2 94 171.3 95 184.8 96 169.5 97 170.9 98 165.2 99 169 100 173.8 101 176.1 102 168 103 167.4 104 172.8 105 170 106 177 107 168.3 108 173.4 109 170.1 110 172 111 174.5 112 164.7 113 169.2 114 172.4 115 173.2 116 166.8 117 172.7 118 163.5 119 182.8 120 170.3 为制作频数表，键入Stata命令： .ge