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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:39:35                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              035/Castro                                                VRSN:      W
                                                        035-901/Dimmitt ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               13,446,233        0.8231            16,336,087              11              593         .064200327
      2           A               13,426,330        0.9433            14,233,362              10              306         .013675905
      3           A               13,455,891        0.9713            13,853,486              10              199         .030980945
      4           A               13,379,221        1.0038            13,328,572              10              116         .005183588
      5           D3              24,591,900        0.9573            25,688,812              20            1,796         .037470630
      6           F1               2,801,336        0.9479             2,955,308               6               89         .018141748
      7           F1               2,841,743        0.9445             3,008,727               6               38         .001045242
      8           F1               2,803,743        0.9392             2,985,246               7               16         .011341402
      9           F1               2,686,791        0.9529             2,819,594               4                5         .001539079
     10           L1               2,524,175        1.0267             2,458,532               6               55         .013497934
     11           L1               2,453,809        0.9875             2,484,870               4               12         .000868674
     12           L1               2,488,583        0.9426             2,640,126               4                7         .014935729
     13           L1               2,217,803        0.9983             2,221,580               2                4         .000009209
  RANDOM TOTALS:                  99,117,558                         105,014,302             100            3,236
  CATG J  EXCEPTION VALUES:        6,874,557                           7,142,607
  CATG D1 EXCEPTION VALUES:       47,489,840                          36,402,751
 TOTAL TEST VALUES (4):          153,481,955                         148,559,660
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            7,427,983
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            141,131,677 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             153,481,955 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            155,987,643 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             178,071,760 (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