題目列表(包括答案和解析)
A、50 | B、75 | C、100 | D、150 |
56.5 | 69.5 | 65 | 61.5 | 64.5 | 66.5 | 64 | 64.5 | 76 | 58.5 |
72 | 73.5 | 56 | 67 | 70 | 57.5 | 65.5 | 68 | 71 | 75 |
62 | 68.5 | 62.5 | 66 | 59.5 | 63.5 | 64.5 | 67.5 | 73 | 68 |
55 | 72 | 66.5 | 74 | 63 | 6. | 55.5 | 70 | 64.5 | 58 |
64 | 70.5 | 57 | 62.5 | 65 | 69 | 71.5 | 73 | 62 | 58 |
76 | 71 | 66 | 63.5 | 56 | 59.5 | 63.5 | 65 | 70 | 74.5 |
68.5 | 64 | 55.5 | 72.5 | 66.5 | 68 | 76 | 57.5 | 6. | 71.5 |
57 | 69.5 | 74 | 64.5 | 59 | 61.5 | 67 | 68 | 63.5 | 58 |
59 | 65.5 | 62.5 | 69.5 | 72 | 64.5 | 75.5 | 68.5 | 64 | 62 |
65.5 | 58.5 | 67.5 | 70.5 | 65 | 66 | 66.5 | 70 | 63 | 59.5 |
試根據(jù)上述數(shù)據(jù)畫出樣本的頻率分布直方圖,并對相應(yīng)的總體分布作出估計(jì)。
湖北省互聯(lián)網(wǎng)違法和不良信息舉報(bào)平臺 | 網(wǎng)上有害信息舉報(bào)專區(qū) | 電信詐騙舉報(bào)專區(qū) | 涉歷史虛無主義有害信息舉報(bào)專區(qū) | 涉企侵權(quán)舉報(bào)專區(qū)
違法和不良信息舉報(bào)電話:027-86699610 舉報(bào)郵箱:58377363@163.com