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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:54:46                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              107/Henderson                                             VRSN:      W
                                                        107-910/La Poynor ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                5,441,684        0.9693             5,614,035               7              136         .004793916
      2           A                5,463,116        0.9797             5,576,315               6               82         .003579216
      3           A                5,452,988        1.1396             4,785,002               6               55         .101542159
      4           A                5,370,026        0.9963             5,389,969               8               31         .002326850
      5           D3              59,964,500        0.8963            66,902,265              20            2,501         .054689610
      6           G1             266,086,528        0.9690           274,599,100               7               13         .000000023
  RANDOM TOTALS:                 347,778,842                         362,866,686              54            2,818
  CATG D1 EXCEPTION VALUES:        8,889,150                           8,159,107
 TOTAL TEST VALUES (4):          356,667,992                         371,025,793
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:           18,551,290
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            352,474,503 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             356,667,992 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            389,577,083 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             351,636,425 (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