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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:36:29                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              210/Shelby                                                VRSN:      W
                                                        210-905/Timpson ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               26,173,088        0.8885            29,457,612              20              797         .098628925
      2           D3              34,814,708        1.1483            30,318,478              27            3,544         .117474607
      3           G1              10,149,770        1.1380             8,918,954               5               17         .029823069
  RANDOM TOTALS:                  71,137,566                          68,695,044              52            4,358
  CATG J  EXCEPTION VALUES:        5,627,568                           5,827,638
  CATG D1 EXCEPTION VALUES:       17,266,510                          18,061,300
  CATG G1 EXCEPTION VALUES:       28,267,020                          28,139,215
 TOTAL TEST VALUES (4):          122,298,664                         120,723,197
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:            6,036,160
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            114,687,037 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             122,298,664 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            126,759,357 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             121,746,867 (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