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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:33:30                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              193/Real                                                  VRSN:      W
                                                        193-902/Leakey ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               15,831,829        0.9470            16,717,876               7              466         .008622491
      2           A               15,806,964        0.9813            16,108,187               7              248         .001758511
      3           A               15,810,967        1.0168            15,549,732               7              164         .004028351
      4           A               15,729,417        0.9912            15,869,065               7              100         .028281878
      5           C                5,996,495        0.8942             6,705,989               7              544         .013783383
      6           C                6,027,338        1.0015             6,018,311               7              263         .029086891
      7           C                6,504,525        0.9857             6,598,889               7              180         .028144443
      8           C                5,435,508        0.9682             5,614,034               7               78         .036858511
      9           D3              31,483,960        1.0906            28,868,476              15            2,298         .014695515
     10           F1               2,932,284        0.9587             3,058,604               6               44         .006733817
     11           F1               2,956,508        0.9141             3,234,338               6               16         .020306418
     12           F1               2,773,945        1.0042             2,762,343               4                8         .005477472
     13           F1               2,760,807        1.0060             2,744,341               3                4         .002482341
  RANDOM TOTALS:                 130,050,547                         129,850,185              90            4,413
  CATG D1 EXCEPTION VALUES:       13,714,215                          13,776,235
 TOTAL TEST VALUES (4):          143,764,762                         143,626,420
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            7,181,321
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            136,445,099 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             143,764,762 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            150,807,741 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             152,039,205 (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