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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:40:42                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              234/Van Zandt                                             VRSN:      W
                                                        234-904/Grand Saline ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               19,093,626        0.9471            20,160,095              15              493         .033302265
      2           A               19,008,754        0.9404            20,213,477              16              311         .027677679
      3           A               19,024,108        0.9785            19,442,113              15              223         .014336491
      4           A               18,983,041        0.9396            20,203,322              16              145         .012366832
      5           D3              72,927,700        1.0433            69,900,987              33            3,092         .099945395
      6           F1               2,868,486        0.5425             5,287,532               9               67         .434878019
      7           F1               2,967,635        0.8197             3,620,392               7               30         .054396990
      8           F1               3,053,035        0.7996             3,818,203               7               14         .029329210
  RANDOM TOTALS:                 157,926,385                         162,646,121             118            4,375
  CATG J  EXCEPTION VALUES:        9,661,431                           9,760,206
  CATG D1 EXCEPTION VALUES:        6,076,070                           3,656,790
  CATG F1 EXCEPTION VALUES:        2,623,400                           2,680,198
 TOTAL TEST VALUES (4):          176,287,286                         178,743,315
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:            8,937,166
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            169,806,149 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             176,287,286 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            187,680,481 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             183,183,493 (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