已知用精度为0.02mm的游标卡尺对某物体长做等精度测量，得一组数据如下：
标准偏差S计算正确的是（）：http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/8f65ee8e9a5c496690022fd0df69a6d1.jpg
标准偏差S计算正确的是（）：http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/8f65ee8e9a5c496690022fd0df69a6d1.jpg
举一反三
- 已知用精度为0.02mm的游标卡尺对某物体长做等精度测量，得一组数据如下： 下列...967cb4aea2c43e56.jpg
- 已知用精度为0.02mm的游标卡尺对某物体长做等精度测量,得一组数据如下:该游标卡尺的最小分度值是() A: 0.01mm B: 0.05mm C: 0.02mm D: 0
- 已知用精度为 0.02mm的游标卡尺对某物体长做等精度测量，得一组数据如下： 该游标卡尺的最小分度值是（ ）[img=1016x145]17a414ff98c472c.jpg[/img]
- 已知轴的主视图，根据标注选择所对应的正确的断面图，其中正确的B-B是（ ）。<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/fb36fa86ece84fbcbc0f2230abb855ad.png" /> A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/0310f38d6cfc4fdd8b4d527907f732a3.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/dba503dc28c741698b1cf083200d24ad.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/1b977d55d6a84bceb9e6c39b7f9d878c.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/82093ffe849a4e789e46eaf4c768a318.png" />
- 设<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/bed4f91f4fec44358e1cad3163fc6b90.png" />是在区间<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/a58a11f71a434f2ab38a2f347802f010.png" />上的<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/a392447e03794318affaa2b03bb5967b.png" />的分段线性插值函数，以下条件不是<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/c00fe77a8291453a8cb2577eb68735ad.png" />必须满足的条件是________________. A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/cf6e811a4488413fae8f1839e4d098ea.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/bb93b2d7d02245878ec51e2986c97b5d.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/ec6692c00c2e49b6adbf9b0493638b81.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/214f277da4154f58a43751f80b09d959.png" />