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DATE: 06/22/2005                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:21:31                                       2004 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              219/Swisher                                               VRSN:      W
                                                        219-901/Happy ISD
____________________________________________________________________________________________________________________________________
         (1)           (1)                (1)              (1)                (1)              (2)            (3)
      # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE      SAMPLE SIZE    TOTAL PARCELS
      _________     ________          ___________     _____________       ___________      ___________    _____________

           1           A                1,613,331        0.8878             1,817,223               15               98
           2           A                1,605,785        0.9436             1,701,765               13               48
           3           A                1,582,373        0.9792             1,615,985               11               30
           4           A                1,587,752        1.0328             1,537,328               11               20
           5           D3              11,143,154        0.9959            11,189,029               21            1,336
  RANDOM TOTALS:                       17,532,395                          17,861,330               71            1,532
  CATG J  EXCEPTION VALUES:             6,295,538                           6,149,065
  CATG D1 EXCEPTION VALUES:            18,662,549                          15,324,292
 TOTAL TEST VALUES (4):                42,490,482                          39,334,687
 MARGIN OF ERROR PERCENT:               5.0000000
 MARGIN OF ERROR VALUE:                 1,966,734
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:                  37,367,953 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   STATE UPPER LIMIT:                  41,301,421 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:                   42,490,482 (OUTSIDE CONFIDENCE INTERVAL)
 VALUE ASSIGNED (6):                   54,840,511 (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