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DATE: 01/26/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:23:09                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              133/Kerr                                                  VRSN:      W
                                                        133-901/Center Point ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               12,960,570        1.0055            12,889,677               8              309         .046863885
      2           A               12,984,933        0.9171            14,158,688               9              176         .025207460
      3           A               12,937,184        0.9319            13,882,588               7              114         .040268141
      4           A               12,950,519        1.0018            12,927,250               6               67         .011055886
      5           D3              78,545,743        1.0026            78,342,054              70            2,089         .090541911
      6           F1               1,652,216        1.0974             1,505,573               6               26         .028531227
      7           F1               1,702,484        1.1546             1,474,523               4                9         .011318769
      8           F1               1,684,692        1.0511             1,602,789               3                5         .009839983
  RANDOM TOTALS:                 135,418,341                         136,783,142             113            2,795
  CATG D1 EXCEPTION VALUES:        3,084,118                           3,054,166
  CATG F1 EXCEPTION VALUES:        1,024,182                           1,015,350
 TOTAL TEST VALUES (4):          139,526,641                         140,852,658
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:            7,042,633
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            133,810,025 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             139,526,641 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            147,895,291 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             138,837,052 (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