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DATE: 02/10/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 12:10:58                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              133/Kerr                                                  VRSN:      P
                                                        133-904/Ingram ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               35,627,338        0.9354            38,087,811               15              679
           2           A               35,726,115        0.9724            36,740,143               16              339
           3           A               35,644,099        0.9847            36,197,927               16              257
           4           A               35,460,635        0.9135            38,818,429               15              168
           5           D3              78,432,960        0.9822            79,854,368               28            2,175
           6           F1               8,447,441        0.9538             8,856,617               11              101
           7           F1               8,449,966        1.0074             8,387,896                9               42
           8           F1               8,966,484        0.8801            10,188,029                7               18
           9           F1               7,673,651        0.9343             8,213,262                3                5
  RANDOM TOTALS:                      254,428,689                         265,344,482              120            3,784
  CATG D1 EXCEPTION VALUES:             6,643,333                           6,435,487
 TOTAL TEST VALUES (4):               261,072,022                         271,779,969
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                13,588,998
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 258,190,971 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  261,072,022 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 285,368,967 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  264,143,430 (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