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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:58:01                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              050/Coryell                                               VRSN:      P
                                                        050-902/Gatesville ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               40,023,826        0.9428            42,452,085               19            1,283
           2           A               40,045,253        0.9821            40,775,128               15              715
           3           A               39,983,548        0.9075            44,059,006               26              516
           4           A               39,924,133        0.9686            41,218,390               22              333
           5           D3              96,267,425        0.8479           113,536,296               33            5,453
           6           F1               7,931,162        0.7722            10,270,865               11              169
           7           F1               8,100,854        0.6794            11,923,541               10               68
           8           F1               8,255,503        0.8021            10,292,361                8               24
           9           F1               7,477,825        0.8753             8,543,157                6                7
          10           L1               5,427,796        0.8362             6,491,026                6              153
          11           L1               5,374,112        1.0170             5,284,279                6               34
          12           L1              10,647,309        1.0002            10,645,180                4                8
  RANDOM TOTALS:                      309,458,746                         345,491,314              166            8,763
  CATG J  EXCEPTION VALUES:            16,556,261                          16,689,602
  CATG D1 EXCEPTION VALUES:            20,929,246                          18,637,951
 TOTAL TEST VALUES (4):               346,944,253                         380,818,867
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                19,040,943
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:                  346,944,253 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:                 361,777,924 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                 399,859,810 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  312,885,408 (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