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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:42:43                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              050/Coryell                                               VRSN:      W
                                                        050-902/Gatesville ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               46,770,492        0.9052            51,668,683              12            1,216         .118659734
      2           A               46,769,776        1.0137            46,137,690              11              672         .182537815
      3           A               46,746,739        0.8788            53,193,831              12              482         .009440076
      4           A               46,738,387        0.8735            53,507,026              14              310         .030785176
      5           D3             115,563,265        1.0104           114,373,778              20            5,339         .062411999
      6           F1              11,046,629        0.8280            13,341,339               8              175         .093588337
      7           F1              11,170,488        0.8885            12,572,299               7               68         .115307398
      8           F1              11,516,425        0.9275            12,416,631               5               23         .086930088
      9           F1              10,264,119        0.9465            10,844,288               5                7         .088785436
     10           L1               6,055,947        1.0484             5,776,371               7              147         .024282722
     11           L1               6,130,835        0.9963             6,153,603               8               29         .001508264
     12           L1              11,895,550        0.9646            12,332,107               3                7         .009807910
  RANDOM TOTALS:                 370,668,652                         392,317,646             112            8,475
  CATG J  EXCEPTION VALUES:       16,586,651                          16,519,651
  CATG D1 EXCEPTION VALUES:       20,584,051                          17,156,442
 TOTAL TEST VALUES (4):          407,839,354                         425,993,739
 MARGIN OF ERROR PERCENT:          5.0307777
 MARGIN OF ERROR VALUE:           21,430,798
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            404,562,941 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             407,839,354 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            447,424,537 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             372,340,750 (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