【简答题】某班统计学平均成绩70分,最高96分,最低分62,据此信息,可以计算的测试离散程度的统计量是( )。
【简答题】阅读理解。 Question: My ninth-grade art teacher doesn't give any grade above 94% because, she says, 'There's always room for improvement.' In previous years, I earned a 99% and a 100%. The 94% I received t...
【判断题】某班统计学平均成绩70分,最高96分,最低分62,据此信息,可以计算的测试离散程度的统计量是方差。
【判断题】国际私法渊源的最早表现形式是国际条约,迄今为止的国际条约仍是国际私法最主要的渊源之一。
【判断题】国际私法渊源的是取早表现形式是国际条约,迄今为止国际条约极是国际私法最主要的渊源之一。()
【单选题】From the second grade to the ninth grade, the percentage of children who are bullied decreases.