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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:07:41                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              072/Erath                                                 VRSN:      W
                                                        072-909/Lingleville ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                  853,228        0.9876               863,941               9               29         .039285873
      2           A                  877,168        1.0410               842,621               9               15         .018365676
      3           A                  758,621        1.0441               726,579               4                5         .002862769
      4           D3              33,388,500        0.8644            38,626,215              28            1,367         .095566924
  RANDOM TOTALS:                  35,877,517                          41,059,356              50            1,416
  CATG J  EXCEPTION VALUES:        3,919,680                           5,037,000
  CATG D1 EXCEPTION VALUES:        8,403,760                           7,088,937
  CATG A  EXCEPTION VALUES:          798,770                             841,132
 TOTAL TEST VALUES (4):           48,999,727                          54,026,425
 MARGIN OF ERROR PERCENT:          8.3119251
 MARGIN OF ERROR VALUE:            4,490,636
 CONFIDENCE INTERVAL VALUES (5):
   LOCAL TEST VALUE:              48,999,727 (OUTSIDE CONFIDENCE INTERVAL)
   STATE LOWER LIMIT:             49,535,789 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:             58,517,061 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              56,624,302 (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