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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:49:39                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              086/Gillespie                                             VRSN:      W
                                                        086-902/Harper ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                5,636,311        0.9400             5,996,076               7              118         .077185905
      2           A                5,636,444        1.0586             5,324,432               6               70         .017126718
      3           A                5,569,263        1.0172             5,475,091               6               48         .002657221
      4           A                5,592,853        1.0387             5,384,474               6               32         .002989273
      5           D3             192,246,470        0.9837           195,432,012              66            5,492         .040216183
  RANDOM TOTALS:                 214,681,341                         217,612,085              91            5,760
  CATG D1 EXCEPTION VALUES:       14,006,280                          13,840,016
 TOTAL TEST VALUES (4):          228,687,621                         231,452,101
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           11,572,605
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            219,879,496 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             228,687,621 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            243,024,706 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             209,716,494 (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