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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:21:38                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              220/Tarrant                                               VRSN:      P
                                                        220-918/Eagle Mountain-Saginaw IS
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              438,017,467        1.0168           430,780,357               46            4,424
           2           A              437,189,463        1.0218           427,862,070               49            3,326
           3           A              437,492,489        1.0196           429,082,473               49            2,549
           4           A              437,244,889        1.0251           426,538,766               49            1,278
           5           F1             118,249,440        0.9223           128,211,471                7              184
           6           F1             118,639,547        0.9538           124,386,189                8               56
           7           F1             118,514,130        0.9373           126,442,046                6               21
           8           F1             111,497,410        0.9656           115,469,563                4                9
           9           L1              87,793,468        1.0986            79,913,952                7              249
          10           L1              88,742,198        1.0303            86,132,387                8               38
          11           L1             119,037,111        0.9729           122,352,874                6                9
  RANDOM TOTALS:                    2,512,417,612                       2,497,172,148              239           12,143
  CATG J  EXCEPTION VALUES:            72,327,499                          77,599,924
  CATG D1 EXCEPTION VALUES:             1,687,791                           1,734,382
  CATG L1 EXCEPTION VALUES:            62,510,024                          62,259,352
 TOTAL TEST VALUES (4):             2,648,942,926                       2,638,765,806
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:               131,938,290
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:               2,506,827,516 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                2,648,942,926 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:               2,770,704,096 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                3,305,151,465 (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