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DATE: 01/26/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:24:38                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              221/Taylor                                                VRSN:      W
                                                        221-905/Trent ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                1,091,163        1.0125             1,077,692               6               69         .001358001
      2           A                1,083,057        0.9248             1,171,126               6               37         .005308726
      3           A                1,141,904        1.0169             1,122,927               5               25         .003527269
      4           A                1,032,259        0.9961             1,036,301               5               13         .009983986
      5           D3               4,494,806        0.9936             4,523,758              31              867         .000690270
      6           G1               4,398,970        0.9722             4,524,758               9               26         .012173073
      7           G1               4,443,313        1.0358             4,289,740               7               13         .005523846
      8           G1               4,793,028        1.0667             4,493,323               5                7         .019761799
  RANDOM TOTALS:                  22,478,500                          22,239,625              74            1,057
  CATG J  EXCEPTION VALUES:        6,489,117                           6,535,650
  CATG D1 EXCEPTION VALUES:        6,640,883                           6,746,972
  CATG G1 EXCEPTION VALUES:        3,808,252                           3,685,038
 TOTAL TEST VALUES (4):           39,416,752                          39,207,285
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            1,960,364
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             37,246,921 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              39,416,752 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             41,167,649 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             113,118,309 (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