如果观测值Xi近似相等，也不会影响回归系数的估计量。
如果观测值Xi近似相等，也不会影响回归系数的估计量。
相关考题：
下面程序段的运行结果是【 】。Option Base 1Private Sub swap(a()As InteSer)For I=1 to 10\2t=a(i)a(i)=a(10-1+1)a(10-1+1)=tNext1End SubPrivate Sub Form_Click()Dim x(10)As IntegerFor I=1 to 10x(i)=I*2Next1Swap x()For1=1 to 10Print x (i)Next IEnd Sub
下面程序的功能是统计字符串中"i"的个数，请填空。Sub COU（）a$="Beijing University of Technology"Dim n As Integern=Len（a$）For i=1 To nb$= 【12】If 【13】 Then x=x + 1Next iPrint "x="; xEnd Sub
以下能够正确计算n!的程序是（ ）。A．Private Sub Command1_Click（）n=5: x=1Dox=x * II=I + 1Loop While I nPrint xEnd SubB．Private Sub Command1_Click（）n=5: x=1: I=1Dox=x * II=I + 1Loop While I nPrint xEnd SubC．Private Sub Command1_Click（）n=5: x=1: I=1Dox=x * II=I + 1Loop While I =nPrint xEnd SubD．Private Sub Command1_Click（）n=5: x=1: I=1Dox=x * II=I + 1Loop While I nPrint xEnd Sub
下面程序的功能是统计字符串中"i"的个数,请填空。Sub COU( )Dim n As Integera$=" Beijing University of Technology"n=Len(a$)For i=1 To nb$=【 】If b$="i" Then x=x+1NextPrint"x=" ; xEnd Sub
在窗体中添加一个名称为Command1的命令按钮，然后编写如下程序：Private Sub f(ByVal x As Integer)x=x+4End SubPrivate Sub Command1_Click()i=3Call f(i)If i＞4 Then i=i*2End Sub窗体打开运行后，单击命令按钮，则消息框的输出结果为( )。
下面程序段的运行结果是【 】。Option Base 1Private Sub Swap (a() As IntegFor I=1 to 10\2t=a(I)a(I)=a(10-I+1)a(10-I+1)=tNext IEnd SubPrivate Sub Form_Click()Dim x(10) As IntegerFor I=1 to 10x(I)=I*2Next ISwap x()For I=1 to 10Print x(I)Next IEnd Sub
以下能够正确计算n!的程序是A．Private Sub Command1_Chck( ) n=5：x=1 Do x=x*i i=i+1 Loop While i＜n Print x End SubB．Private Sub Command1_Click( ) n=5：x=1：i=l Do x=x*i i=i+1 Loop While i＜n Print x End SubC．Private Sub Command1_Click( ) n=5：x=1：i=l Do x=x*i i=i+1 Loop While i＜=n Print x End SubD．Private Sub Command1_Click( ) n=5：x=1：i=l Dox=x*i i=i+1 Loop While i＞n Print x End Sub
有如下程序： Private Sub Commandl_Click( ) Dim i As Integer For i=1 To 2 DS Next i End Sub Sub DS( ) Dim x As Integer，m As String Static y，n X=X + 1 y=y + 1 m=m "*”：n=n"#" Print x，y，m，n End Sub 程序运行后，输出的结果是A．1 1 * #B．1 1 * #C．1 1 * # 1 1 * # 1 2 * #D．1 1 * # 1 1 * ## 1 2 * ##
以下能够正确计算n!的程序是A．Private Sub Command1 Click() n=5：x=1 Do x=x * I I=I + 1 Loop While I ＜ n Print x End SubB．Private Sub Command1_Click() n=5：X=1：I=1 Do X=X*I I=I + 1 Loop While I ＜n Print x End SubC．Private Sub Command1_Click() n=5：X=1：I=1 Do X=X * I I=I + 1 Loop While I＜=n Print X End SubD．Private Sub Command1_Click() n=5：X=1：I=1 Do x=x * I I=I + 1 Loop While I＞n Print X End Sub
在窗体中添加一个名称为Commandl的命令按钮，然后编写如下程序：Pfivme Sub f(ByVal x As Integer)x＝x+4End SubPfivate Sub Commandl_Click()i＝3Call f(i)Ifi4 Then i＝i*2MsgBOx IEnd Sub窗体打开运行后，单击命令按钮，则消息框的输出结果为______。
执行下面的程序段，x的值为 Private Sub Commandl_Click() For i=1 To 5 a=a+i Next i x=Val(i) MsgBox x End SubA．5B．6C．7D．8
以下能够正确计算n! 的程序是( )。A．Private Sub Command1_Click( ) n=5:x=l Do x=x*i i=i+1 Loop While i ＜ n Print x End SubB．Private Sub Command1_Click( ) n=5:x=1:i=1 Do x=x*i i=i+1 Loop While i ＜ n Print x End SubC．Private Sub Command1_Cliek( ) n:5:x=1:i=1 Do x=x* i i:i+1 Loop While i ＜ = n Print x End SubD．Private Sub Command1_Cliek( ) n=5:x:1:i=1 Do x=x*i i=j+1 Loop While i ＞ n Print x End Sub
以下能够正确计算n!的程序是A．Privas Sub Command1_Click() n=5：x=1 Do x=x*i i=i+1 Loop While i＜n Print x End SubB．Private Sub Command1_Click() n=5：x=1：i=1 Do x=x*i i=i+1 Loop While i＜n Print x End SubC．Private Sub Command1_Click() n=5：x=1：i=1 Do x=x*i i=i+1 Loop while i＜=n Print x End SubD．Private Sub Command1_Click() n=5：x=1：i=1 Do x=x*i i=i+1 Loop While i＞n Print x End Sub
在窗体上画一个名称为CoilTlilandl的命令按钮，然后编写如下事件过程： Private Sub command1 Click() Dim m As Integer， i As Integer， x(3)As Integer For i=0 To 3：x(i)=i：Next i For i = 1 To 2： Call sub1(x，i)：Next i For i = 0 To 3： Print x(i)；： Next i End Sub Private Sub sub1(a()As Integer，k As Integer) Dim i As Integer Do a(k)=a(k)+a(k+1) j = j + 1 Loop While j ＜ 2 End Sub 程序运行后，单击命令按钮，则窗体上显示的内容是A．0 3 7 5B．0 1 2 3C．3 2 4 5D．0 5 8 3
编写如下事件过程： Private sub sub1 (ByVal x1 As String, y1 As String) Dim xt As String Dim i As Integer i = Len(x1) Do While i＞= 1 xt = xt + Mid(x1, i, 1) i=i-1 Loop y1 = xt End Sub Private Sub Form. Click() Dim s1 As String, s2 As String s1= "teacher" sub1 s1, s2 Print s2 End Sub 程序运行后，单击窗体，则窗体上显示的内容是A．rehcaetB．tahreeeC．themeeD．eerthea
读下列程序：Pfivme Sub Form_Crick()Stmic X(4) As IntegerFori=1 To 4x(i)=x(i)+i*3NextiPrintFori=1 To 4Print"x("；i；")="：x(i)；NextiEnd Sub该程序在运行了三次后，其最终结果是______。
编写如下事件过程： Option Base 1 Private Sub Form Click() Dim x1()As Integer Dim i As Integer Dim s As Integer ReDim x1(3) For i = 1 To UBound(x1) x1(i)=i + 1 Next i Call sub1(x1) For i = 1 To UBound(x1) s = s + x1(i) Next i Print s End Sub Private Sub sub1(n()As Integer) Dim i As Integer ReDim Preserve n(5) For i = 3 To 5 n(i)=n(i-1)*2 Next i End Sub 程序运行后，单击窗体，则窗体上显示的内容是A．6B．12C．24D．47
以下能够正确计算n!的程序是______。A．Private Sub Commeadl_Click() n=5: x=1 Do x=x*i i=i+1 Loop While i＜n Print x End SubB．Private Sub Command1_Click() n=5: x=1: i=1 Do x=x*i i=i+1 Loop While i＜n Print x End SubC．Private Sub Command1_Click() n=5: x=1: i=1 Do x=x*i i=i+1 Loop Whilei＜=n Print x End SubD．Private Sub Commsndl_Click() n=5: x=1: i=1 Do x=x*i i=i+1 Loop While i＞n Print x End Sub
以下能够正确计算n!的程序是( )。A．Pfivate Sub Commgld1_LClick() n=5:x=1 Do x=x*1 i=i+1 Loop Whilei＜nB．Private Sub Command1_Click() n=5:x=1:i=1 Do x=x*1 i=i+1 Loop Whilei＜n Print x End SubC．Pfivate Sub Command1_ C1ick() n=5:x=1:i=1 Do X=X*1 i=i+1 Loop While i＜=nD．Private Sub Command1_C1ick() n=5:x=1:i=1 Do X=X*1 i=i+1 Loop While i＞n Print x End Sub
以下能够正确计算n!的程序是( )。A．Private Sub Commandl_C1ick()B．hiVate Sub Commandl_C1ick() n＝5:x＝1 n＝5:x=1:i＝1 DO DO X＝x*1 X＝X*1 i＝i＋1 i＝i＋1 Loop while i＜n Loop While＜n Print x Ptinte x End Sub End SubC．Private Sub Commandl_Click ()D．Pdvate Sub Commandl C1ick() n＝5:X＝1:i＝1 n＝5＝:x＝1:i＝1 DO DO X＝X*1 X＝X*1 i＝i＋1 i＝i＋1 Loop While i＞n Print x Print x End Sub End Sub
执行下面的程序段，x的值为 Private Sub Command1_Click( ) For i=1 To 5 a=a+i Next i x=Val(i) MsgBox x End SubA．5B．6C．7D．8
9.程序执行结果s的值是 [9] 。Private Sub Commandl_Click()i = 0Doi = i + ls = i + sLoop Until i = 4Print sEnd Sub
以下定义的过程（）是按“传值”方式传递参数的。A、Public Sub Sum(x,y)B、Public Sub Sum(ByVal x, ByVal y)C、Public Sub Sum(x As Integer,y As Integer)D、Public Sub Sum(x%, y%)
class Super { public int i = 0； public Super（String text） { i = 1； } } public class Sub extends Super { public Sub（String text） { i = 2； } public static void main（String args[]） { Sub sub = new Sub（“Hello”）； System.out.println（sub.i）； } } What is the result？（） A、 0B、 1C、 2D、 Compilation fails.
单选题class Super { public int i = 0； public Super（String text） { i = 1； } } public class Sub extends Super { public Sub（String text） { i = 2； } public static void main（String args[]） { Sub sub = new Sub（“Hello”）； System.out.println（sub.i）； } } What is the result？（）A 0B 1C 2D Compilation fails.