S²=4/1 【(x1-3)²+(x2-3)²+(x3-3)²+(x4-3)²】.则其容量是( )平均数是( )
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![S²=4/1 【(x1-3)²+(x2-3)²+(x3-3)²+(x4-3)²】.则其容量是( )平均数是( )](/uploads/image/z/7791080-32-0.jpg?t=S%26%23178%3B%3D4%2F1+%E3%80%90%EF%BC%88x1-3%EF%BC%89%26%23178%3B%2B%EF%BC%88x2-3%EF%BC%89%26%23178%3B%2B%EF%BC%88x3-3%EF%BC%89%26%23178%3B%2B%EF%BC%88x4-3%EF%BC%89%26%23178%3B%E3%80%91.%E5%88%99%E5%85%B6%E5%AE%B9%E9%87%8F%E6%98%AF%EF%BC%88+++++++++++%EF%BC%89%E5%B9%B3%E5%9D%87%E6%95%B0%E6%98%AF%EF%BC%88++++++++++++%EF%BC%89)
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S²=4/1 【(x1-3)²+(x2-3)²+(x3-3)²+(x4-3)²】.则其容量是( )平均数是( )
S²=4/1 【(x1-3)²+(x2-3)²+(x3-3)²+(x4-3)²】.则其容量是( )平均数是( )
S²=4/1 【(x1-3)²+(x2-3)²+(x3-3)²+(x4-3)²】.则其容量是( )平均数是( )
平均数是3
容量是( 4