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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:34:22                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              198/Robertson                                             VRSN:      W
                                                        198-905/Hearne ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               14,726,538        0.9529            15,454,442              19              699         .043917091
      2           A               14,714,536        1.0281            14,312,359              16              389         .051722152
      3           A               14,729,559        0.9120            16,150,832              20              260         .017134906
      4           A               14,632,784        0.7872            18,588,394              15              159         .027493784
      5           D3              24,306,180        1.0072            24,132,427              20            1,689         .069670178
      6           F1               3,412,787        0.9214             3,703,915               6               90         .089746174
      7           F1               3,357,911        0.8622             3,894,585               6               33         .024598098
      8           F1               3,457,602        0.8479             4,077,842               4               11         .010690199
      9           G1              11,710,459        1.0225            11,452,772               5               17         .005452398
     10           G1              11,231,165        1.0041            11,185,305               4               10         .026637975
     11           G1              11,175,255        0.9054            12,342,893               3                5         .034195511
  RANDOM TOTALS:                 127,454,776                         135,295,766             118            3,362
  CATG J  EXCEPTION VALUES:       22,819,556                          22,869,049
  CATG D1 EXCEPTION VALUES:        5,978,730                           6,873,121
  CATG F1 EXCEPTION VALUES:        3,256,220                           3,289,031
  CATG G1 EXCEPTION VALUES:       56,519,471                          52,665,452
 TOTAL TEST VALUES (4):          216,028,753                         220,992,419
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           11,049,621
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            209,942,798 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             216,028,753 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            232,042,040 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             267,269,250 (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