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DATE: 01/26/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:21:26                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              061/Denton                                                VRSN:      W
                                                        061-908/Sanger ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               67,611,662        0.9900            68,294,608              34              898         .005787534
      2           A               67,470,603        1.0074            66,974,988              62              605         .002034145
      3           A               67,642,880        1.0014            67,548,312              28              436         .001200859
      4           A               67,404,262        0.9665            69,740,571              23              298         .020276153
      5           D3             108,181,299        1.0257           105,470,702              38            3,051         .004331760
      6           F1              10,067,328        0.9987            10,080,433               6               63         .007846199
      7           F1              10,064,372        0.9622            10,459,751               9               27         .002443235
      8           F1               9,833,499        1.0130             9,707,304               6               16         .001478465
      9           F1               9,973,616        1.0086             9,888,574               6                9         .010287636
  RANDOM TOTALS:                 418,249,521                         418,165,243             212            5,403
  CATG D1 EXCEPTION VALUES:        5,388,673                           4,871,742
 TOTAL TEST VALUES (4):          423,638,194                         423,036,985
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           21,151,849
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            401,885,136 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             423,638,194 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            444,188,834 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             571,433,078 (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