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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:56:33                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              017/Borden                                                VRSN:      W
                                                        017-901/Borden County ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           D3               5,925,690        0.9372             6,322,759              19            2,351         .003543205
      2           G1              38,713,294        1.2006            32,244,956               6               30         .072663233
      3           G1              43,985,670        1.0536            41,747,978               4               10         .005628185
      4           G1              38,218,269        1.0671            35,815,077               3                4         .000344986
  RANDOM TOTALS:                 126,842,923                         116,130,770              32            2,395
  CATG J  EXCEPTION VALUES:        5,553,967                           5,423,204
  CATG D1 EXCEPTION VALUES:       12,472,041                          18,707,023
  CATG G1 EXCEPTION VALUES:      251,021,432                         255,931,733
 TOTAL TEST VALUES (4):          395,890,363                         396,192,730
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:           19,809,637
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            376,383,093 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             395,890,363 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            416,002,367 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             482,193,010 (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