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DATE: 01/26/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:20:34                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              020/Brazoria                                              VRSN:      W
                                                        020-908/Pearland ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              931,566,529        0.9833           947,387,907              57            7,251         .001496604
      2           A              930,850,483        0.9875           942,633,401              57            5,553         .001449602
      3           A              931,319,528        0.9995           931,785,421              57            4,539         .001558800
      4           A              931,044,312        0.9857           944,551,397              57            3,162         .001061180
      5           F1              84,558,786        0.8292           101,976,346               8              360         .059688717
      6           F1              84,411,155        0.8696            97,068,945               7              103         .014311506
      7           F1              84,017,673        0.8541            98,369,831               7               35         .023645836
      8           F1              83,997,077        1.0177            82,536,186               4               10         .003160043
  RANDOM TOTALS:               4,061,765,543                       4,146,309,434             254           21,013
  CATG D1 EXCEPTION VALUES:          292,590                             279,983
 TOTAL TEST VALUES (4):        4,062,058,133                       4,146,589,417
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:          207,329,471
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          3,939,259,946 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           4,062,058,133 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          4,353,918,888 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           4,412,465,469 (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