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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:42:40                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              050/Coryell                                               VRSN:      W
                                                        050-901/Evant ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                2,811,020        0.8198             3,428,909               9               88         .041356579
      2           A                2,736,072        0.7278             3,759,373              13               50         .048397987
      3           A                2,838,550        0.7740             3,667,377               9               36         .013056048
      4           A                2,700,228        0.9147             2,952,037              14               21         .039970788
      5           D3              34,130,824        1.1488            29,709,979              23            2,696         .230404943
  RANDOM TOTALS:                  45,216,694                          43,517,675              68            2,891
  CATG J  EXCEPTION VALUES:        1,268,903                           1,268,532
  CATG D1 EXCEPTION VALUES:       12,443,895                           9,455,930
 TOTAL TEST VALUES (4):           58,929,492                          54,242,137
 MARGIN OF ERROR PERCENT:         10.9589967
 MARGIN OF ERROR VALUE:            5,944,394
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             48,297,743 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              58,929,492 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             60,186,531 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              54,621,655 (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