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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:56:26                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              112/Hopkins                                               VRSN:      W
                                                        112-905/Cumby ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                3,726,963        0.8065             4,621,157               8              124         .112069130
      2           A                3,759,435        1.0725             3,505,301               7               77         .041183612
      3           A                3,719,192        0.9784             3,801,300               7               55         .012600285
      4           A                3,675,453        1.0089             3,643,030               7               37         .005204059
      5           D3              25,341,150        0.9841            25,750,584              24            1,103         .005665653
  RANDOM TOTALS:                  40,222,193                          41,321,372              53            1,396
  CATG J  EXCEPTION VALUES:        4,638,058                           4,753,375
  CATG D1 EXCEPTION VALUES:        3,556,020                           3,299,944
 TOTAL TEST VALUES (4):           48,416,271                          49,374,691
 MARGIN OF ERROR PERCENT:          5.0000009
 MARGIN OF ERROR VALUE:            2,468,735
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             46,905,956 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              48,416,271 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             51,843,426 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              43,282,038 (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