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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:55:30                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              109/Hill                                                  VRSN:      W
                                                        109-902/Bynum ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                2,046,105        0.8993             2,275,220               6               68         .036287633
      2           A                2,070,470        1.0105             2,048,956               8               41         .014681906
      3           A                1,982,429        0.9550             2,075,842               7               26         .001818628
      4           A                2,009,866        1.0099             1,990,163               6               16         .003708760
      5           D3              13,540,300        1.0315            13,126,806              18            1,116         .194227048
  RANDOM TOTALS:                  21,649,170                          21,516,987              45            1,267
  CATG J  EXCEPTION VALUES:        4,232,181                           4,194,582
  CATG D1 EXCEPTION VALUES:        8,010,029                           7,957,832
 TOTAL TEST VALUES (4):           33,891,380                          33,669,401
 MARGIN OF ERROR PERCENT:          8.1966472
 MARGIN OF ERROR VALUE:            2,759,762
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             30,909,639 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              33,891,380 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             36,429,163 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              31,528,619 (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