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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:24:18                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              237/Waller                                                VRSN:      W
                                                        237-902/Hempstead ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               23,102,302        0.9001            25,666,373               15              733
           2           A               23,082,876        0.9945            23,210,534               16              378
           3           A               23,104,630        1.0000            23,104,630               17              245
           4           A               23,021,451        1.0401            22,133,882               16              141
           5           D3              94,014,352        0.9938            94,600,877               24            3,986
           6           F1               9,431,653        0.9931             9,497,184                7              124
           7           F1               9,410,897        0.8889            10,587,127                6               34
           8           F1              11,279,370        0.9652            11,686,044                5               12
           9           L1               5,579,548        0.9596             5,814,452                7              140
          10           L1               5,565,296        0.9982             5,575,332                6               30
          11           L1               5,774,210        0.9938             5,810,233                5               11
  RANDOM TOTALS:                      233,366,585                         237,686,668              124            5,834
  CATG J  EXCEPTION VALUES:             9,419,214                           9,443,685
  CATG D1 EXCEPTION VALUES:             9,860,340                           9,460,980
  CATG F1 EXCEPTION VALUES:             7,295,470                           7,428,774
  CATG L1 EXCEPTION VALUES:             4,578,999                           4,723,205
 TOTAL TEST VALUES (4):               264,520,608                         268,743,312
 MARGIN OF ERROR PERCENT:               6.8845505
 MARGIN OF ERROR VALUE:                18,501,769
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 250,241,543 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  264,520,608 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 287,245,081 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  289,711,451 (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