Page 62 - 006
P. 62

56



                                                       _
                                   8.4)  #	$ E_ :  :  #;  (cluster sampling)    
  !0   (" % 	  '
                                                           E_



                                            /
                                                                        67
                                        67
                                                1


                                             /
                                                                                                   67

                                                                                   +/
                                                                                      	7

                                                                             /

                   
 0  " "  ("*  # . ''* ' 
  !0   	  "    
   . '" "K       
*  # . '                /
                                          67
                                              /

                                                                      /


                   
      
  
      ". '  ("  $	"&     
    '   'L .    &



                                                    67
                                                        /
                                          	7

                                                              /
                                                                       67




                     
    	  #     * 
     # . '" "'5(     . '  Y
K   5   
     ' 
  !0
                                                                                              1
                                                                           /
                                   /



                    	  "    . '  Y
K     .       	  ' 
 0  " "   !    H  &  &
                                                                       +/
                                              6/

                               67

                                         	7
                      % 
    
 0    2 5(   (" % !)

                                                          1  n M
                                                    x  =    ∑∑ x
                                                         nM  i = =1  ij
                                                              1
                                                                j

                             x   = &   8  /"   *1               " 	  "   ' /!0  '	7   (
                             n  = *1    .67 ' /"  " ( #  "  "%	7 ' / 1)
                             M   = *1    .67 ' /    "  Y
 ( #  "  "%	7 ' / 2)
                             L  = *1       ' / #
                             x   = *1               " 	  "     Y
' /  j         ""  "' / i
                               ij
                                                             =
                                          =
                                      6/   j 1  3   , 2   ,  ,..., M      i 1  3   , 2   ,  ,..., n

                                                          3
                                                      _
                                   8.5)  #	$ E_  %_	 " 8    (sequential sampling)     
  !0   	  "   ' /
                                                                                          1

                       
 (
  !0   "        6/  
	  (" % &      *               L 
  ' /5  
1   (*     	  "
                                                       /




                                            7
                            ("
  !0   ##      ! '*  %
#
  !1   *&    ! "  " &
                                                             )

                         .67 ' /
      ("     *1 
	(&6     '  #   ##
   .  
  
  * " 	           (#


                                                                 	7
                    $ 4J
*   
   T  
	 
1 *	(    $	  ).6%#  & 	7        %!  Q      . 8 (.     
  '     /
                                                                                      6/




                                                           	7
                                                        6
                                                                                /

                                                                                  1
                   *  %!       
     *(        $	  .%        H+   (#'* ' &    ! "  " 
.%


                                                                                                     6


                                                       )
                                           )

                                                    6/

                      5   %  * 8 (. !  Q        .#5      20 V   * 

  !1   *.% 100
                                                                                                     6

                      6
                                                                                       6



                                                                                                 1
                     6/




                      .# .  7" 8  /" 3  	    % ( 
 * 

  !1   * 50  % ( 
        
  !1   * 
'  ("


                                                          6

                                                                                         /
                   
  !0   	  "  .%       * #    # .%     	(&    ! "  "   .%' 
(*
                                                               6
                                                                                     6
                                   6

                                                                        6
                                                                                    6

                                    1
                                           /

                    1
                   '   "        *    '!0  * 
   (  " 	   5   %  .% 100         50 % ( 
    H
                                                 1
                                                                                 1


                                                 1
                    %
  !0   ## sequential  * 5 *    '    !0   	  "  * & #   
   ( 
  * 	(!   *

                                                                                         Y
                                                        /


                                                                  	7

                                                              0
                                                                                  /
                                                                                                 1
                                                                                    +7
                   
  ' /* 8 (.  !  Q      5( 
   	(!   **  '
&  '!0   	  "   .    1  	  "   *

                                                                     /

                    	  "   * 5  
1   (  " 	      +7  "
#            *     	  "  '' 
  !0  '5
                                                                        1


                                                                                       /

                                                                                                 /
                                                                    	7
                                                    )
                                                                                       1
                                                                                              7
                                                       T
                    

!    H 	(!   *5(       ' 
     
 
 *(   5    
   %
  !0   ## !    H(            )


                                                                    6

                       Y

                                                 1

                                                              1

                                                                          +/


                                                             ,

                                                                                      /
                                                                         Y

                    	  "  
  !0  5(* 
     *"       ' 	
    .    .2 (2538)  
" 
# 3 
  !0
                    	  "    ## sequential  .6/ 
   	(!   *  
   T  
	 
1 *	( .  7"5V         .   ,
                                                                                                  /
                                                            4

                                                       _
                                   8.6)  #	$ E_ :  [ [OP" WU (haphazard  sampling)      L 
  '&   "


                                                                7
                   
	# sample random sampling    
    6   ##     
    ' / 	  "  'H)
  6 
5 5(*

                                                                                    /




                                                 /
                   *	#8  
  6      
  !0  
  '*    5 !1   *              5(* 

  '3!1   * (

                                                                                          )
                                                                                         /



                   5             6 
 	  "  " "( "        L 
   3!1   **    'L .        '5(
                                                                                               /

                                                                    )


                                                                                            )

                                                                                                   7
                                                                    7
   57   58   59   60   61   62   63   64   65   66   67