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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:14:40                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              165/Midland                                               VRSN:      P
                                                        165-902/Greenwood ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               24,359,378        0.9221            26,417,284               10              470
           2           A               24,373,945        0.9782            24,917,139               15              286
           3           A               24,416,841        0.9664            25,265,771               27              189
           4           A               24,319,841        0.9528            25,524,602               15              114
           5           D3              21,831,980        0.9584            22,779,612               15            1,028
           6           G1             123,443,180        0.9972           123,789,791               44              364
  RANDOM TOTALS:                      242,745,165                         248,694,199              126            2,451
  CATG J  EXCEPTION VALUES:             8,070,900                           9,012,839
  CATG D1 EXCEPTION VALUES:             3,769,890                           2,611,980
 TOTAL TEST VALUES (4):               254,585,955                         260,319,018
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                13,015,951
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 247,303,067 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  254,585,955 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 273,334,969 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  291,752,605 (SEE ISD SUMMARY WORKSHEET)

 SOURCES:
 (1) SEE STRATIFIED CATEGORY WORKSHEET REPORTS PTS236, PTS430
 (2) NUMBER OF PARCELS SAMPLED BY STAFF
 (3) TOTAL CATEGORY PARCELS FROM STRATIFICATION REPORT APPRAISAL ROLL, OR SELF-REPORT
 (4) INCLUDES ANY PARCELS IN A, B, C, D3, F1, G1, G2,OR L1 MARKED AS EXCEPTION PROPERTIES
 (5) UNSTUDIED CATEGORIES AND SUB-CATEGORIES WERE NOT INCLUDED IN THE CONFIDENCE INTERVAL VALUES