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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:54:27                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              107/Henderson                                             VRSN:      W
                                                        107-901/Athens ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              110,177,910        0.9027           122,053,739              23            2,032         .036228547
      2           A              109,985,236        0.9048           121,557,511              26            1,097         .016948286
      3           A              110,250,954        0.9767           112,881,083              14              679         .006971582
      4           A              109,873,878        0.9694           113,342,148              16              319         .005240195
      5           D3             162,225,293        0.9438           171,885,244              49            5,877         .026095380
      6           F1              30,004,061        0.9297            32,272,842               9              335         .002273137
      7           F1              29,927,599        0.9711            30,818,246               7              111         .000646846
      8           F1              31,391,087        0.9804            32,018,653               6               35         .002304527
      9           F1              28,409,093        1.0335            27,488,237               4                8         .001358705
     10           L1              17,095,867        0.9406            18,175,491               7              330         .063411645
     11           L1              17,102,662        1.0089            16,951,791               7               93         .006249498
     12           L1              17,282,301        0.9427            18,332,769               6               31         .006003564
     13           L1              16,835,848        0.9910            16,988,747               3                6         .000986085
  RANDOM TOTALS:                 790,561,789                         834,766,501             177           10,953
  CATG J  EXCEPTION VALUES:       40,322,030                          40,054,751
  CATG D1 EXCEPTION VALUES:       11,227,940                          10,650,457
 TOTAL TEST VALUES (4):          842,111,759                         885,471,709
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           44,273,585
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            841,198,124 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             842,111,759 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            929,745,294 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             851,041,341 (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