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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:08:48                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              114/Howard                                                VRSN:      W
                                                        114-902/Coahoma ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A               12,299,527        0.9742            12,625,259               11              500
           2           A               12,338,701        0.9192            13,423,304               14              269
           3           A               12,273,639        0.9874            12,430,260               15              188
           4           A               12,282,138        0.9151            13,421,635               13              111
           5           G1             117,037,540        1.0049           116,466,852               20              268
  RANDOM TOTALS:                      166,231,545                         168,367,310               73            1,336
  CATG J  EXCEPTION VALUES:             9,004,405                           9,126,834
  CATG D1 EXCEPTION VALUES:             6,320,541                           4,865,083
 TOTAL TEST VALUES (4):               181,556,491                         182,359,227
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 9,117,961
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                 173,241,266 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                  181,556,491 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:                 191,477,188 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):                  204,234,066 (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