<p>某高校2008级学生英语考试成绩分组资料如下:<br><img max-width="300" src="https://learnfile.20230611.cn/learnAppQuestion/98/f3/98f3aaefb8e884af8022faba593e0067.jpg" style="width: 100%;height: auto;"><br><br>求该校2008级学生英语考试成绩的平均数和标准差。</p> 2024-09-10 07:32 浏览: 20
She asked for ( ) classes at home because she thought she would learn English more quickly. 2024-08-12 14:16 浏览: 11
<p>某公司生产的甲产品有关材料消耗的计划和实际资料如题32表所示:<br><img src="https://learnfile.20230611.cn/learnAppQuestion/65/6a/656ac3ec55e5c9ab848feb0aecae2e81.jpg" style="width: 100%;height: auto;"><br>试用连环替代法分析材料消耗总额的差异。</p> 2024-02-24 12:31 浏览: 9