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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:14:38                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              165/Midland                                               VRSN:      P
                                                        165-901/Midland ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              635,581,250        0.9914           641,094,664               50           12,243
           2           A              635,387,414        0.9760           651,011,695               50            6,868
           3           A              635,559,911        0.9926           640,298,117               50            4,543
           4           A              635,298,687        0.9992           635,807,333               50            2,336
           5           F1             168,175,907        1.0872           154,687,185               16            1,558
           6           F1             168,143,939        1.0017           167,858,579               13              386
           7           F1             170,132,610        1.0422           163,243,725               12              108
           8           F1             165,739,562        1.0061           164,734,680               10               28
           9           G1             971,398,250        1.0041           967,431,780               21            1,121
          10           L1             116,837,492        1.0832           107,863,268               10            2,030
          11           L1             116,944,211        0.9470           123,489,135                7              333
          12           L1             119,302,375        0.9647           123,667,850                7               78
          13           L1             114,201,289        1.0187           112,104,927                6               20
  RANDOM TOTALS:                    4,652,702,897                       4,653,292,938              302           31,652
  CATG D1 EXCEPTION VALUES:             8,172,340                           8,151,607
 TOTAL TEST VALUES (4):             4,660,875,237                       4,661,444,545
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:               233,072,227
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:               4,428,372,318 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                4,660,875,237 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:               4,894,516,772 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                5,004,562,302 (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