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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:03:03                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              084/Galveston                                             VRSN:      W
                                                        084-904/LaMarque ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A              174,854,985        0.9352           186,970,685               16            3,533
           2           A              174,671,655        0.9773           178,728,799               28            2,199
           3           A              174,834,873        0.9722           179,834,266               37            1,453
           4           A              174,710,113        0.9524           183,441,950               32              721
           5           B               13,850,665        0.8840            15,668,173                7               56
           6           B               14,648,707        1.0083            14,528,124                3                4
           7           F1              31,353,002        0.9339            33,572,119               14              268
           8           F1              31,564,002        1.0008            31,538,771               11               74
           9           F1              31,084,862        0.9058            34,317,578               10               21
          10           L1              17,804,903        1.0213            17,433,568                7              313
          11           L1              17,740,382        1.0110            17,547,361                7               75
          12           L1              19,824,827        0.8764            22,620,752                7               24
  RANDOM TOTALS:                      876,942,976                         916,202,146              179            8,741
  CATG D1 EXCEPTION VALUES:                72,340                              64,523
  CATG B  EXCEPTION VALUES:            24,051,220                          23,938,038
  CATG F1 EXCEPTION VALUES:            30,741,970                          32,892,734
  CATG L1 EXCEPTION VALUES:            17,043,885                          16,418,763
 TOTAL TEST VALUES (4):               948,852,391                         989,516,204
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                49,475,810
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 940,040,394 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  948,852,391 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:               1,038,992,014 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                1,201,086,681 (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