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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:18:47                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              214/Starr                                                 VRSN:      W
                                                        214-903/Roma ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               35,837,922        1.0872            32,963,504               8            2,171         .047556138
      2           A               35,882,056        0.9313            38,528,998               8            1,271         .008530393
      3           A               35,747,864        0.8586            41,635,062               8              827         .011900938
      4           A               35,805,907        0.9992            35,834,575               7              444         .019128952
      5           C                7,746,614        0.9392             8,248,098               7            1,626         .044501809
      6           C                7,166,192        0.9842             7,281,236              10              947         .064489499
      7           C                7,447,764        0.9888             7,532,124               7              654         .025465563
      8           C                7,450,656        1.0198             7,305,997               7              213         .006564158
      9           D3              11,243,420        1.1953             9,406,358              10            8,440         .066046523
     10           F1               7,928,280        0.9609             8,250,890               9              197         .016690773
     11           F1               7,946,794        1.0250             7,752,970               7               91         .002536535
     12           F1               7,940,771        0.9545             8,319,299              10               50         .015730617
     13           F1               7,782,522        1.0111             7,697,084               5               17         .007347594
     14           G1              35,872,846        0.9529            37,645,971               6               50         .045660970
     15           G1              36,797,710        0.9798            37,556,348               5               20         .014267890
     16           G1              37,696,986        0.9768            38,592,328               4               10         .003976829
     17           G1              31,399,770        1.0047            31,252,881               3                5         .000734170
  RANDOM TOTALS:                 357,694,074                         365,803,723             121           17,033
  CATG J  EXCEPTION VALUES:       10,479,142                          10,492,093
  CATG D1 EXCEPTION VALUES:       19,706,610                          22,014,391
 TOTAL TEST VALUES (4):          387,879,826                         398,310,207
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           19,915,510
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            378,394,697 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             387,879,826 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            418,225,717 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             387,842,349 (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