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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:07:12                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              071/El Paso                                               VRSN:      W
                                                        071-903/Fabens ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               16,194,261        0.9901            16,356,187               8              796         .026136491
      2           A               16,213,868        0.9211            17,602,723              10              403         .058790840
      3           A               16,214,907        1.0806            15,005,466               8              273         .040691761
      4           A               16,137,131        1.0728            15,042,068               9              188         .016411458
      5           D3              11,059,471        1.0073            10,979,322              13            1,132         .017116293
      6           F1               3,892,815        0.9601             4,054,593               7               56         .018707439
      7           F1               4,079,231        0.9103             4,481,194              11               23         .061054309
      8           F1               3,952,365        0.8688             4,549,223               8                9         .051808609
      9           L1              44,281,103        0.9939            44,552,876               9              213         .004878811
  RANDOM TOTALS:                 132,025,152                         132,623,652              83            3,093
  CATG D1 EXCEPTION VALUES:       12,078,095                          14,085,827
  CATG F1 EXCEPTION VALUES:        3,255,260                           3,107,564
 TOTAL TEST VALUES (4):          147,358,507                         149,817,043
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            7,490,852
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            142,326,191 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             147,358,507 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            157,307,895 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             110,257,392 (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