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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:07:55                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              162/McMullen                                              VRSN:      W
                                                        162-904/McMullen County ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           D3              15,818,545        0.8502            18,605,675              20            3,461         .075135748
      2           G1              72,769,413        0.9540            76,278,211               6               84         .009534207
      3           G1              75,127,205        0.9908            75,824,793               5               15         .000289211
      4           G1              71,227,000        0.9774            72,873,951               3                5         .000252710
      5           G1              70,565,076        0.9997            70,586,252               2                3         .000007874
  RANDOM TOTALS:                 305,507,239                         314,168,882              36            3,568
  CATG J  EXCEPTION VALUES:        6,106,488                           6,011,056
  CATG D1 EXCEPTION VALUES:       21,334,292                          41,386,660
 TOTAL TEST VALUES (4):          332,948,019                         361,566,598
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           18,078,330
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:             332,948,019 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:            343,488,268 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:            379,644,928 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             374,647,423 (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