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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:25:24                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              248/Winkler                                               VRSN:      W
                                                        248-901/Kermit ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               13,100,112        1.0372            12,630,266              13              932         .082743539
      2           A               13,130,185        0.9292            14,130,634              16              548         .065847029
      3           A               13,104,155        0.9005            14,552,088              12              332         .040930110
      4           A               13,055,624        1.0143            12,871,561               6              175         .120504627
      5           G1              96,267,303        1.0595            90,861,069              23              148         .027672135
      6           G1              96,731,561        1.1336            85,331,299              14               30         .095223310
      7           G1             105,046,123        0.9981           105,246,091               6                9         .000431651
  RANDOM TOTALS:                 350,435,063                         335,623,008              90            2,174
  CATG J  EXCEPTION VALUES:       17,310,530                          14,952,904
  CATG D1 EXCEPTION VALUES:          592,860                           1,461,428
  CATG G1 EXCEPTION VALUES:       80,510,120                          81,513,039
 TOTAL TEST VALUES (4):          448,848,573                         433,550,379
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           21,677,519
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            411,872,860 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             448,848,573 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            455,227,898 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             564,305,465 (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